Home / 989,906.92-1,366,071.52-537,197.92

Finding the Fourth Proportional to 989,906.92, 1,366,071.52 and 537,197.92

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Solution

The fourth proportional to 989,906.92, 1,366,071.52 and 537,197.92 is: 741,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,906.92 : 1,366,071.52 = 537,197.92 : x
  2. Step 2: Convert to fraction form
    989,906.92/1,366,071.52 = 537,197.92/x
  3. Step 3: Cross multiply
    989,906.92x = 1,366,071.52 × 537,197.92
  4. Step 4: Simplify right side
    989,906.92x = 733,850,779,115.24
  5. Step 5: Solve for x
    x = 733,850,779,115.24/989,906.92
  6. Step 6: Final answer
    x = 741,333.11

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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.