Home / 1,051,357.86-1,577,167.92-411,578.91

Finding the Fourth Proportional to 1,051,357.86, 1,577,167.92 and 411,578.91

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Solution

The fourth proportional to 1,051,357.86, 1,577,167.92 and 411,578.91 is: 617,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,357.86 : 1,577,167.92 = 411,578.91 : x
  2. Step 2: Convert to fraction form
    1,051,357.86/1,577,167.92 = 411,578.91/x
  3. Step 3: Cross multiply
    1,051,357.86x = 1,577,167.92 × 411,578.91
  4. Step 4: Simplify right side
    1,051,357.86x = 649,129,053,400.57
  5. Step 5: Solve for x
    x = 649,129,053,400.57/1,051,357.86
  6. Step 6: Final answer
    x = 617,419.70

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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.