Home / 912,200.10-1,366,331.85-754,736.10

Finding the Fourth Proportional to 912,200.10, 1,366,331.85 and 754,736.10

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Solution

The fourth proportional to 912,200.10, 1,366,331.85 and 754,736.10 is: 1,130,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,200.10 : 1,366,331.85 = 754,736.10 : x
  2. Step 2: Convert to fraction form
    912,200.10/1,366,331.85 = 754,736.10/x
  3. Step 3: Cross multiply
    912,200.10x = 1,366,331.85 × 754,736.10
  4. Step 4: Simplify right side
    912,200.10x = 1,031,219,971,774.79
  5. Step 5: Solve for x
    x = 1,031,219,971,774.79/912,200.10
  6. Step 6: Final answer
    x = 1,130,475.62

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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.