Home / 760,520.28-1,049,445.12-454,535.73

Finding the Fourth Proportional to 760,520.28, 1,049,445.12 and 454,535.73

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Solution

The fourth proportional to 760,520.28, 1,049,445.12 and 454,535.73 is: 627,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,520.28 : 1,049,445.12 = 454,535.73 : x
  2. Step 2: Convert to fraction form
    760,520.28/1,049,445.12 = 454,535.73/x
  3. Step 3: Cross multiply
    760,520.28x = 1,049,445.12 × 454,535.73
  4. Step 4: Simplify right side
    760,520.28x = 477,010,303,714.14
  5. Step 5: Solve for x
    x = 477,010,303,714.14/760,520.28
  6. Step 6: Final answer
    x = 627,215.76

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Double scale
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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.