Home / 862,190.77-1,189,916.07-475,045.11

Finding the Fourth Proportional to 862,190.77, 1,189,916.07 and 475,045.11

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Solution

The fourth proportional to 862,190.77, 1,189,916.07 and 475,045.11 is: 655,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,190.77 : 1,189,916.07 = 475,045.11 : x
  2. Step 2: Convert to fraction form
    862,190.77/1,189,916.07 = 475,045.11/x
  3. Step 3: Cross multiply
    862,190.77x = 1,189,916.07 × 475,045.11
  4. Step 4: Simplify right side
    862,190.77x = 565,263,810,363.92
  5. Step 5: Solve for x
    x = 565,263,810,363.92/862,190.77
  6. Step 6: Final answer
    x = 655,613.39

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Double scale
Find fourth proportional to 862,191.77, 1,189,917.45 and 475,046.11
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.