Home / 897,421.70-1,346,132.55-543,127.70

Finding the Fourth Proportional to 897,421.70, 1,346,132.55 and 543,127.70

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Solution

The fourth proportional to 897,421.70, 1,346,132.55 and 543,127.70 is: 814,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,421.70 : 1,346,132.55 = 543,127.70 : x
  2. Step 2: Convert to fraction form
    897,421.70/1,346,132.55 = 543,127.70/x
  3. Step 3: Cross multiply
    897,421.70x = 1,346,132.55 × 543,127.70
  4. Step 4: Simplify right side
    897,421.70x = 731,121,875,776.64
  5. Step 5: Solve for x
    x = 731,121,875,776.64/897,421.70
  6. Step 6: Final answer
    x = 814,691.55

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Half scale
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Double scale
Find fourth proportional to 897,422.70, 1,346,134.05 and 543,128.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.