Home / 754,141.97-1,131,581.70-354,822.50

Finding the Fourth Proportional to 754,141.97, 1,131,581.70 and 354,822.50

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Solution

The fourth proportional to 754,141.97, 1,131,581.70 and 354,822.50 is: 532,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,141.97 : 1,131,581.70 = 354,822.50 : x
  2. Step 2: Convert to fraction form
    754,141.97/1,131,581.70 = 354,822.50/x
  3. Step 3: Cross multiply
    754,141.97x = 1,131,581.70 × 354,822.50
  4. Step 4: Simplify right side
    754,141.97x = 401,510,642,090.34
  5. Step 5: Solve for x
    x = 401,510,642,090.34/754,141.97
  6. Step 6: Final answer
    x = 532,407.24

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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.