Home / 527,442.40-791,152.65-128,085.26

Finding the Fourth Proportional to 527,442.40, 791,152.65 and 128,085.26

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Solution

The fourth proportional to 527,442.40, 791,152.65 and 128,085.26 is: 192,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,442.40 : 791,152.65 = 128,085.26 : x
  2. Step 2: Convert to fraction form
    527,442.40/791,152.65 = 128,085.26/x
  3. Step 3: Cross multiply
    527,442.40x = 791,152.65 × 128,085.26
  4. Step 4: Simplify right side
    527,442.40x = 101,334,992,874.94
  5. Step 5: Solve for x
    x = 101,334,992,874.94/527,442.40
  6. Step 6: Final answer
    x = 192,125.23

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1.5x scale

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.