Home / 676,487.09-933,567.26-386,092.88

Finding the Fourth Proportional to 676,487.09, 933,567.26 and 386,092.88

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Solution

The fourth proportional to 676,487.09, 933,567.26 and 386,092.88 is: 532,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,487.09 : 933,567.26 = 386,092.88 : x
  2. Step 2: Convert to fraction form
    676,487.09/933,567.26 = 386,092.88/x
  3. Step 3: Cross multiply
    676,487.09x = 933,567.26 × 386,092.88
  4. Step 4: Simplify right side
    676,487.09x = 360,443,668,384.51
  5. Step 5: Solve for x
    x = 360,443,668,384.51/676,487.09
  6. Step 6: Final answer
    x = 532,816.77

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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.