Home / 527,258.40-727,612.95-285,535.44

Finding the Fourth Proportional to 527,258.40, 727,612.95 and 285,535.44

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Solution

The fourth proportional to 527,258.40, 727,612.95 and 285,535.44 is: 394,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,258.40 : 727,612.95 = 285,535.44 : x
  2. Step 2: Convert to fraction form
    527,258.40/727,612.95 = 285,535.44/x
  3. Step 3: Cross multiply
    527,258.40x = 727,612.95 × 285,535.44
  4. Step 4: Simplify right side
    527,258.40x = 207,759,283,827.95
  5. Step 5: Solve for x
    x = 207,759,283,827.95/527,258.40
  6. Step 6: Final answer
    x = 394,036.93

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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.