Home / 1,072,677.40-1,609,016.10-324,723.40

Finding the Fourth Proportional to 1,072,677.40, 1,609,016.10 and 324,723.40

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Solution

The fourth proportional to 1,072,677.40, 1,609,016.10 and 324,723.40 is: 487,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,677.40 : 1,609,016.10 = 324,723.40 : x
  2. Step 2: Convert to fraction form
    1,072,677.40/1,609,016.10 = 324,723.40/x
  3. Step 3: Cross multiply
    1,072,677.40x = 1,609,016.10 × 324,723.40
  4. Step 4: Simplify right side
    1,072,677.40x = 522,485,178,646.74
  5. Step 5: Solve for x
    x = 522,485,178,646.74/1,072,677.40
  6. Step 6: Final answer
    x = 487,085.10

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Double scale
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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.