Home / 1,257,227.55-1,885,818.65-458,501.13

Finding the Fourth Proportional to 1,257,227.55, 1,885,818.65 and 458,501.13

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Solution

The fourth proportional to 1,257,227.55, 1,885,818.65 and 458,501.13 is: 687,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,227.55 : 1,885,818.65 = 458,501.13 : x
  2. Step 2: Convert to fraction form
    1,257,227.55/1,885,818.65 = 458,501.13/x
  3. Step 3: Cross multiply
    1,257,227.55x = 1,885,818.65 × 458,501.13
  4. Step 4: Simplify right side
    1,257,227.55x = 864,649,979,707.57
  5. Step 5: Solve for x
    x = 864,649,979,707.57/1,257,227.55
  6. Step 6: Final answer
    x = 687,743.42

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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.