Home / 1,031,345.89-1,423,235.27-572,433.71

Finding the Fourth Proportional to 1,031,345.89, 1,423,235.27 and 572,433.71

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Solution

The fourth proportional to 1,031,345.89, 1,423,235.27 and 572,433.71 is: 789,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,345.89 : 1,423,235.27 = 572,433.71 : x
  2. Step 2: Convert to fraction form
    1,031,345.89/1,423,235.27 = 572,433.71/x
  3. Step 3: Cross multiply
    1,031,345.89x = 1,423,235.27 × 572,433.71
  4. Step 4: Simplify right side
    1,031,345.89x = 814,707,840,123.86
  5. Step 5: Solve for x
    x = 814,707,840,123.86/1,031,345.89
  6. Step 6: Final answer
    x = 789,946.27

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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.