Home / 527,116.47-727,417.65-285,393.96

Finding the Fourth Proportional to 527,116.47, 727,417.65 and 285,393.96

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Solution

The fourth proportional to 527,116.47, 727,417.65 and 285,393.96 is: 393,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,116.47 : 727,417.65 = 285,393.96 : x
  2. Step 2: Convert to fraction form
    527,116.47/727,417.65 = 285,393.96/x
  3. Step 3: Cross multiply
    527,116.47x = 727,417.65 × 285,393.96
  4. Step 4: Simplify right side
    527,116.47x = 207,600,603,707.39
  5. Step 5: Solve for x
    x = 207,600,603,707.39/527,116.47
  6. Step 6: Final answer
    x = 393,842.00

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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.