Home / 1,644,130.89-2,466,140.76-579,145.13

Finding the Fourth Proportional to 1,644,130.89, 2,466,140.76 and 579,145.13

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Solution

The fourth proportional to 1,644,130.89, 2,466,140.76 and 579,145.13 is: 868,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,130.89 : 2,466,140.76 = 579,145.13 : x
  2. Step 2: Convert to fraction form
    1,644,130.89/2,466,140.76 = 579,145.13/x
  3. Step 3: Cross multiply
    1,644,130.89x = 2,466,140.76 × 579,145.13
  4. Step 4: Simplify right side
    1,644,130.89x = 1,428,253,398,717.80
  5. Step 5: Solve for x
    x = 1,428,253,398,717.80/1,644,130.89
  6. Step 6: Final answer
    x = 868,698.11

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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.