Home / 754,187.08-1,040,782.08-414,677.20

Finding the Fourth Proportional to 754,187.08, 1,040,782.08 and 414,677.20

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Solution

The fourth proportional to 754,187.08, 1,040,782.08 and 414,677.20 is: 572,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,187.08 : 1,040,782.08 = 414,677.20 : x
  2. Step 2: Convert to fraction form
    754,187.08/1,040,782.08 = 414,677.20/x
  3. Step 3: Cross multiply
    754,187.08x = 1,040,782.08 × 414,677.20
  4. Step 4: Simplify right side
    754,187.08x = 431,588,598,744.58
  5. Step 5: Solve for x
    x = 431,588,598,744.58/754,187.08
  6. Step 6: Final answer
    x = 572,256.69

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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.