Home / 932,859.72-1,287,411.77-525,000.83

Finding the Fourth Proportional to 932,859.72, 1,287,411.77 and 525,000.83

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Solution

The fourth proportional to 932,859.72, 1,287,411.77 and 525,000.83 is: 724,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,859.72 : 1,287,411.77 = 525,000.83 : x
  2. Step 2: Convert to fraction form
    932,859.72/1,287,411.77 = 525,000.83/x
  3. Step 3: Cross multiply
    932,859.72x = 1,287,411.77 × 525,000.83
  4. Step 4: Simplify right side
    932,859.72x = 675,892,242,677.21
  5. Step 5: Solve for x
    x = 675,892,242,677.21/932,859.72
  6. Step 6: Final answer
    x = 724,537.92

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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.