Home / 314,534.20-469,520.86-291,119.66

Finding the Fourth Proportional to 314,534.20, 469,520.86 and 291,119.66

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Solution

The fourth proportional to 314,534.20, 469,520.86 and 291,119.66 is: 434,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,534.20 : 469,520.86 = 291,119.66 : x
  2. Step 2: Convert to fraction form
    314,534.20/469,520.86 = 291,119.66/x
  3. Step 3: Cross multiply
    314,534.20x = 469,520.86 × 291,119.66
  4. Step 4: Simplify right side
    314,534.20x = 136,686,753,126.11
  5. Step 5: Solve for x
    x = 136,686,753,126.11/314,534.20
  6. Step 6: Final answer
    x = 434,568.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.