Home / 865,611.92-1,194,606.27-478,419.03

Finding the Fourth Proportional to 865,611.92, 1,194,606.27 and 478,419.03

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Solution

The fourth proportional to 865,611.92, 1,194,606.27 and 478,419.03 is: 660,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,611.92 : 1,194,606.27 = 478,419.03 : x
  2. Step 2: Convert to fraction form
    865,611.92/1,194,606.27 = 478,419.03/x
  3. Step 3: Cross multiply
    865,611.92x = 1,194,606.27 × 478,419.03
  4. Step 4: Simplify right side
    865,611.92x = 571,522,372,925.32
  5. Step 5: Solve for x
    x = 571,522,372,925.32/865,611.92
  6. Step 6: Final answer
    x = 660,252.43

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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.