Home / 527,007.36-790,370.40-147,905.76

Finding the Fourth Proportional to 527,007.36, 790,370.40 and 147,905.76

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Solution

The fourth proportional to 527,007.36, 790,370.40 and 147,905.76 is: 221,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,007.36 : 790,370.40 = 147,905.76 : x
  2. Step 2: Convert to fraction form
    527,007.36/790,370.40 = 147,905.76/x
  3. Step 3: Cross multiply
    527,007.36x = 790,370.40 × 147,905.76
  4. Step 4: Simplify right side
    527,007.36x = 116,900,334,693.50
  5. Step 5: Solve for x
    x = 116,900,334,693.50/527,007.36
  6. Step 6: Final answer
    x = 221,819.17

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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.