Home / 526,921.60-727,143.78-294,351.58

Finding the Fourth Proportional to 526,921.60, 727,143.78 and 294,351.58

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Solution

The fourth proportional to 526,921.60, 727,143.78 and 294,351.58 is: 406,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,921.60 : 727,143.78 = 294,351.58 : x
  2. Step 2: Convert to fraction form
    526,921.60/727,143.78 = 294,351.58/x
  3. Step 3: Cross multiply
    526,921.60x = 727,143.78 × 294,351.58
  4. Step 4: Simplify right side
    526,921.60x = 214,035,920,530.17
  5. Step 5: Solve for x
    x = 214,035,920,530.17/526,921.60
  6. Step 6: Final answer
    x = 406,200.70

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1.5x scale

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.