Home / 897,255.12-1,238,168.37-534,670.90

Finding the Fourth Proportional to 897,255.12, 1,238,168.37 and 534,670.90

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Solution

The fourth proportional to 897,255.12, 1,238,168.37 and 534,670.90 is: 737,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,255.12 : 1,238,168.37 = 534,670.90 : x
  2. Step 2: Convert to fraction form
    897,255.12/1,238,168.37 = 534,670.90/x
  3. Step 3: Cross multiply
    897,255.12x = 1,238,168.37 × 534,670.90
  4. Step 4: Simplify right side
    897,255.12x = 662,012,596,739.43
  5. Step 5: Solve for x
    x = 662,012,596,739.43/897,255.12
  6. Step 6: Final answer
    x = 737,819.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.