Home / 754,476.48-1,132,213.28-355,231.40

Finding the Fourth Proportional to 754,476.48, 1,132,213.28 and 355,231.40

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Solution

The fourth proportional to 754,476.48, 1,132,213.28 and 355,231.40 is: 533,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,476.48 : 1,132,213.28 = 355,231.40 : x
  2. Step 2: Convert to fraction form
    754,476.48/1,132,213.28 = 355,231.40/x
  3. Step 3: Cross multiply
    754,476.48x = 1,132,213.28 × 355,231.40
  4. Step 4: Simplify right side
    754,476.48x = 402,197,708,552.99
  5. Step 5: Solve for x
    x = 402,197,708,552.99/754,476.48
  6. Step 6: Final answer
    x = 533,081.84

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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.