Home / 865,240.68-1,194,056.20-478,081.04

Finding the Fourth Proportional to 865,240.68, 1,194,056.20 and 478,081.04

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Solution

The fourth proportional to 865,240.68, 1,194,056.20 and 478,081.04 is: 659,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,240.68 : 1,194,056.20 = 478,081.04 : x
  2. Step 2: Convert to fraction form
    865,240.68/1,194,056.20 = 478,081.04/x
  3. Step 3: Cross multiply
    865,240.68x = 1,194,056.20 × 478,081.04
  4. Step 4: Simplify right side
    865,240.68x = 570,855,624,541.77
  5. Step 5: Solve for x
    x = 570,855,624,541.77/865,240.68
  6. Step 6: Final answer
    x = 659,765.13

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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.