Home / 527,108.08-727,112.20-333,455.71

Finding the Fourth Proportional to 527,108.08, 727,112.20 and 333,455.71

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Solution

The fourth proportional to 527,108.08, 727,112.20 and 333,455.71 is: 459,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,108.08 : 727,112.20 = 333,455.71 : x
  2. Step 2: Convert to fraction form
    527,108.08/727,112.20 = 333,455.71/x
  3. Step 3: Cross multiply
    527,108.08x = 727,112.20 × 333,455.71
  4. Step 4: Simplify right side
    527,108.08x = 242,459,714,900.66
  5. Step 5: Solve for x
    x = 242,459,714,900.66/527,108.08
  6. Step 6: Final answer
    x = 459,981.02

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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.