Home / 1,658,391.86-2,487,658.86-579,013.40

Finding the Fourth Proportional to 1,658,391.86, 2,487,658.86 and 579,013.40

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Solution

The fourth proportional to 1,658,391.86, 2,487,658.86 and 579,013.40 is: 868,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,391.86 : 2,487,658.86 = 579,013.40 : x
  2. Step 2: Convert to fraction form
    1,658,391.86/2,487,658.86 = 579,013.40/x
  3. Step 3: Cross multiply
    1,658,391.86x = 2,487,658.86 × 579,013.40
  4. Step 4: Simplify right side
    1,658,391.86x = 1,440,387,802,130.43
  5. Step 5: Solve for x
    x = 1,440,387,802,130.43/1,658,391.86
  6. Step 6: Final answer
    x = 868,544.91

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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.