Home / 856,841.16-1,182,170.61-494,216.40

Finding the Fourth Proportional to 856,841.16, 1,182,170.61 and 494,216.40

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Solution

The fourth proportional to 856,841.16, 1,182,170.61 and 494,216.40 is: 681,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,841.16 : 1,182,170.61 = 494,216.40 : x
  2. Step 2: Convert to fraction form
    856,841.16/1,182,170.61 = 494,216.40/x
  3. Step 3: Cross multiply
    856,841.16x = 1,182,170.61 × 494,216.40
  4. Step 4: Simplify right side
    856,841.16x = 584,248,103,060.00
  5. Step 5: Solve for x
    x = 584,248,103,060.00/856,841.16
  6. Step 6: Final answer
    x = 681,862.79

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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.