Home / 754,095.80-1,131,143.70-514,947.35

Finding the Fourth Proportional to 754,095.80, 1,131,143.70 and 514,947.35

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Solution

The fourth proportional to 754,095.80, 1,131,143.70 and 514,947.35 is: 772,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,095.80 : 1,131,143.70 = 514,947.35 : x
  2. Step 2: Convert to fraction form
    754,095.80/1,131,143.70 = 514,947.35/x
  3. Step 3: Cross multiply
    754,095.80x = 1,131,143.70 × 514,947.35
  4. Step 4: Simplify right side
    754,095.80x = 582,479,450,784.20
  5. Step 5: Solve for x
    x = 582,479,450,784.20/754,095.80
  6. Step 6: Final answer
    x = 772,421.03

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.