Home / 584,121.38-806,087.50-315,849.38

Finding the Fourth Proportional to 584,121.38, 806,087.50 and 315,849.38

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Solution

The fourth proportional to 584,121.38, 806,087.50 and 315,849.38 is: 435,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,121.38 : 806,087.50 = 315,849.38 : x
  2. Step 2: Convert to fraction form
    584,121.38/806,087.50 = 315,849.38/x
  3. Step 3: Cross multiply
    584,121.38x = 806,087.50 × 315,849.38
  4. Step 4: Simplify right side
    584,121.38x = 254,602,232,280.69
  5. Step 5: Solve for x
    x = 254,602,232,280.69/584,121.38
  6. Step 6: Final answer
    x = 435,872.14

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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.