Home / 527,290.28-791,070.24-153,313.28

Finding the Fourth Proportional to 527,290.28, 791,070.24 and 153,313.28

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Solution

The fourth proportional to 527,290.28, 791,070.24 and 153,313.28 is: 230,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,290.28 : 791,070.24 = 153,313.28 : x
  2. Step 2: Convert to fraction form
    527,290.28/791,070.24 = 153,313.28/x
  3. Step 3: Cross multiply
    527,290.28x = 791,070.24 × 153,313.28
  4. Step 4: Simplify right side
    527,290.28x = 121,281,573,204.79
  5. Step 5: Solve for x
    x = 121,281,573,204.79/527,290.28
  6. Step 6: Final answer
    x = 230,009.12

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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.