Home / 865,612.01-1,194,606.43-478,419.10

Finding the Fourth Proportional to 865,612.01, 1,194,606.43 and 478,419.10

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Solution

The fourth proportional to 865,612.01, 1,194,606.43 and 478,419.10 is: 660,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,612.01 : 1,194,606.43 = 478,419.10 : x
  2. Step 2: Convert to fraction form
    865,612.01/1,194,606.43 = 478,419.10/x
  3. Step 3: Cross multiply
    865,612.01x = 1,194,606.43 × 478,419.10
  4. Step 4: Simplify right side
    865,612.01x = 571,522,528,912.25
  5. Step 5: Solve for x
    x = 571,522,528,912.25/865,612.01
  6. Step 6: Final answer
    x = 660,252.54

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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.