Home / 1,031,336.30-1,423,206.51-572,471.30

Finding the Fourth Proportional to 1,031,336.30, 1,423,206.51 and 572,471.30

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Solution

The fourth proportional to 1,031,336.30, 1,423,206.51 and 572,471.30 is: 789,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,336.30 : 1,423,206.51 = 572,471.30 : x
  2. Step 2: Convert to fraction form
    1,031,336.30/1,423,206.51 = 572,471.30/x
  3. Step 3: Cross multiply
    1,031,336.30x = 1,423,206.51 × 572,471.30
  4. Step 4: Simplify right side
    1,031,336.30x = 814,744,880,948.16
  5. Step 5: Solve for x
    x = 814,744,880,948.16/1,031,336.30
  6. Step 6: Final answer
    x = 789,989.53

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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.