Home / 527,827.47-791,730.10-128,470.47

Finding the Fourth Proportional to 527,827.47, 791,730.10 and 128,470.47

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Solution

The fourth proportional to 527,827.47, 791,730.10 and 128,470.47 is: 192,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,827.47 : 791,730.10 = 128,470.47 : x
  2. Step 2: Convert to fraction form
    527,827.47/791,730.10 = 128,470.47/x
  3. Step 3: Cross multiply
    527,827.47x = 791,730.10 × 128,470.47
  4. Step 4: Simplify right side
    527,827.47x = 101,713,938,060.15
  5. Step 5: Solve for x
    x = 101,713,938,060.15/527,827.47
  6. Step 6: Final answer
    x = 192,703.00

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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.