Home / 865,115.64-1,193,686.36-483,083.64

Finding the Fourth Proportional to 865,115.64, 1,193,686.36 and 483,083.64

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Solution

The fourth proportional to 865,115.64, 1,193,686.36 and 483,083.64 is: 666,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,115.64 : 1,193,686.36 = 483,083.64 : x
  2. Step 2: Convert to fraction form
    865,115.64/1,193,686.36 = 483,083.64/x
  3. Step 3: Cross multiply
    865,115.64x = 1,193,686.36 × 483,083.64
  4. Step 4: Simplify right side
    865,115.64x = 576,650,351,807.15
  5. Step 5: Solve for x
    x = 576,650,351,807.15/865,115.64
  6. Step 6: Final answer
    x = 666,558.69

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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.