Home / 711,040.54-981,251.40-424,507.18

Finding the Fourth Proportional to 711,040.54, 981,251.40 and 424,507.18

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Solution

The fourth proportional to 711,040.54, 981,251.40 and 424,507.18 is: 585,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,040.54 : 981,251.40 = 424,507.18 : x
  2. Step 2: Convert to fraction form
    711,040.54/981,251.40 = 424,507.18/x
  3. Step 3: Cross multiply
    711,040.54x = 981,251.40 × 424,507.18
  4. Step 4: Simplify right side
    711,040.54x = 416,548,264,685.05
  5. Step 5: Solve for x
    x = 416,548,264,685.05/711,040.54
  6. Step 6: Final answer
    x = 585,829.14

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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.