Home / 1,011,793.38-1,396,417.29-644,153.10

Finding the Fourth Proportional to 1,011,793.38, 1,396,417.29 and 644,153.10

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Solution

The fourth proportional to 1,011,793.38, 1,396,417.29 and 644,153.10 is: 889,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,793.38 : 1,396,417.29 = 644,153.10 : x
  2. Step 2: Convert to fraction form
    1,011,793.38/1,396,417.29 = 644,153.10/x
  3. Step 3: Cross multiply
    1,011,793.38x = 1,396,417.29 × 644,153.10
  4. Step 4: Simplify right side
    1,011,793.38x = 899,506,516,044.25
  5. Step 5: Solve for x
    x = 899,506,516,044.25/1,011,793.38
  6. Step 6: Final answer
    x = 889,021.95

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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.