Home / 735,126.10-1,102,689.15-665,142.10

Finding the Fourth Proportional to 735,126.10, 1,102,689.15 and 665,142.10

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Solution

The fourth proportional to 735,126.10, 1,102,689.15 and 665,142.10 is: 997,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,126.10 : 1,102,689.15 = 665,142.10 : x
  2. Step 2: Convert to fraction form
    735,126.10/1,102,689.15 = 665,142.10/x
  3. Step 3: Cross multiply
    735,126.10x = 1,102,689.15 × 665,142.10
  4. Step 4: Simplify right side
    735,126.10x = 733,444,976,878.22
  5. Step 5: Solve for x
    x = 733,444,976,878.22/735,126.10
  6. Step 6: Final answer
    x = 997,713.15

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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.