Home / 799,291.93-1,103,511.66-520,155.10

Finding the Fourth Proportional to 799,291.93, 1,103,511.66 and 520,155.10

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Solution

The fourth proportional to 799,291.93, 1,103,511.66 and 520,155.10 is: 718,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,291.93 : 1,103,511.66 = 520,155.10 : x
  2. Step 2: Convert to fraction form
    799,291.93/1,103,511.66 = 520,155.10/x
  3. Step 3: Cross multiply
    799,291.93x = 1,103,511.66 × 520,155.10
  4. Step 4: Simplify right side
    799,291.93x = 573,997,217,858.47
  5. Step 5: Solve for x
    x = 573,997,217,858.47/799,291.93
  6. Step 6: Final answer
    x = 718,132.13

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Double scale
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Similar ratio
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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.