Home / 591,386.99-887,154.31-231,511.36

Finding the Fourth Proportional to 591,386.99, 887,154.31 and 231,511.36

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Solution

The fourth proportional to 591,386.99, 887,154.31 and 231,511.36 is: 347,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,386.99 : 887,154.31 = 231,511.36 : x
  2. Step 2: Convert to fraction form
    591,386.99/887,154.31 = 231,511.36/x
  3. Step 3: Cross multiply
    591,386.99x = 887,154.31 × 231,511.36
  4. Step 4: Simplify right side
    591,386.99x = 205,386,298,041.30
  5. Step 5: Solve for x
    x = 205,386,298,041.30/591,386.99
  6. Step 6: Final answer
    x = 347,295.93

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.