Home / 314,535.20-469,522.35-291,120.66

Finding the Fourth Proportional to 314,535.20, 469,522.35 and 291,120.66

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Solution

The fourth proportional to 314,535.20, 469,522.35 and 291,120.66 is: 434,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,535.20 : 469,522.35 = 291,120.66 : x
  2. Step 2: Convert to fraction form
    314,535.20/469,522.35 = 291,120.66/x
  3. Step 3: Cross multiply
    314,535.20x = 469,522.35 × 291,120.66
  4. Step 4: Simplify right side
    314,535.20x = 136,687,656,416.75
  5. Step 5: Solve for x
    x = 136,687,656,416.75/314,535.20
  6. Step 6: Final answer
    x = 434,570.30

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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.