Home / 1,712,623.11-2,569,295.38-647,641.59

Finding the Fourth Proportional to 1,712,623.11, 2,569,295.38 and 647,641.59

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Solution

The fourth proportional to 1,712,623.11, 2,569,295.38 and 647,641.59 is: 971,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,623.11 : 2,569,295.38 = 647,641.59 : x
  2. Step 2: Convert to fraction form
    1,712,623.11/2,569,295.38 = 647,641.59/x
  3. Step 3: Cross multiply
    1,712,623.11x = 2,569,295.38 × 647,641.59
  4. Step 4: Simplify right side
    1,712,623.11x = 1,663,982,545,082.85
  5. Step 5: Solve for x
    x = 1,663,982,545,082.85/1,712,623.11
  6. Step 6: Final answer
    x = 971,598.79

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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.