Home / 876,117.80-1,314,176.70-576,936.20

Finding the Fourth Proportional to 876,117.80, 1,314,176.70 and 576,936.20

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Solution

The fourth proportional to 876,117.80, 1,314,176.70 and 576,936.20 is: 865,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,117.80 : 1,314,176.70 = 576,936.20 : x
  2. Step 2: Convert to fraction form
    876,117.80/1,314,176.70 = 576,936.20/x
  3. Step 3: Cross multiply
    876,117.80x = 1,314,176.70 × 576,936.20
  4. Step 4: Simplify right side
    876,117.80x = 758,196,111,426.54
  5. Step 5: Solve for x
    x = 758,196,111,426.54/876,117.80
  6. Step 6: Final answer
    x = 865,404.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.