Home / 527,546.16-790,036.20-247,143.60

Finding the Fourth Proportional to 527,546.16, 790,036.20 and 247,143.60

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Solution

The fourth proportional to 527,546.16, 790,036.20 and 247,143.60 is: 370,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,546.16 : 790,036.20 = 247,143.60 : x
  2. Step 2: Convert to fraction form
    527,546.16/790,036.20 = 247,143.60/x
  3. Step 3: Cross multiply
    527,546.16x = 790,036.20 × 247,143.60
  4. Step 4: Simplify right side
    527,546.16x = 195,252,390,598.32
  5. Step 5: Solve for x
    x = 195,252,390,598.32/527,546.16
  6. Step 6: Final answer
    x = 370,114.32

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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.