Home / 865,686.30-1,194,653.08-483,729.18

Finding the Fourth Proportional to 865,686.30, 1,194,653.08 and 483,729.18

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Solution

The fourth proportional to 865,686.30, 1,194,653.08 and 483,729.18 is: 667,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,686.30 : 1,194,653.08 = 483,729.18 : x
  2. Step 2: Convert to fraction form
    865,686.30/1,194,653.08 = 483,729.18/x
  3. Step 3: Cross multiply
    865,686.30x = 1,194,653.08 × 483,729.18
  4. Step 4: Simplify right side
    865,686.30x = 577,888,554,772.87
  5. Step 5: Solve for x
    x = 577,888,554,772.87/865,686.30
  6. Step 6: Final answer
    x = 667,549.61

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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.