Home / 724,957.71-1,000,805.27-453,176.79

Finding the Fourth Proportional to 724,957.71, 1,000,805.27 and 453,176.79

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Solution

The fourth proportional to 724,957.71, 1,000,805.27 and 453,176.79 is: 625,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,957.71 : 1,000,805.27 = 453,176.79 : x
  2. Step 2: Convert to fraction form
    724,957.71/1,000,805.27 = 453,176.79/x
  3. Step 3: Cross multiply
    724,957.71x = 1,000,805.27 × 453,176.79
  4. Step 4: Simplify right side
    724,957.71x = 453,541,717,407.80
  5. Step 5: Solve for x
    x = 453,541,717,407.80/724,957.71
  6. Step 6: Final answer
    x = 625,611.28

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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.