Home / 754,445.80-1,041,142.56-410,289.12

Finding the Fourth Proportional to 754,445.80, 1,041,142.56 and 410,289.12

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Solution

The fourth proportional to 754,445.80, 1,041,142.56 and 410,289.12 is: 566,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,445.80 : 1,041,142.56 = 410,289.12 : x
  2. Step 2: Convert to fraction form
    754,445.80/1,041,142.56 = 410,289.12/x
  3. Step 3: Cross multiply
    754,445.80x = 1,041,142.56 × 410,289.12
  4. Step 4: Simplify right side
    754,445.80x = 427,169,464,736.95
  5. Step 5: Solve for x
    x = 427,169,464,736.95/754,445.80
  6. Step 6: Final answer
    x = 566,202.99

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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.