Home / 754,482.17-1,131,706.85-354,901.47

Finding the Fourth Proportional to 754,482.17, 1,131,706.85 and 354,901.47

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Solution

The fourth proportional to 754,482.17, 1,131,706.85 and 354,901.47 is: 532,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,482.17 : 1,131,706.85 = 354,901.47 : x
  2. Step 2: Convert to fraction form
    754,482.17/1,131,706.85 = 354,901.47/x
  3. Step 3: Cross multiply
    754,482.17x = 1,131,706.85 × 354,901.47
  4. Step 4: Simplify right side
    754,482.17x = 401,644,422,899.56
  5. Step 5: Solve for x
    x = 401,644,422,899.56/754,482.17
  6. Step 6: Final answer
    x = 532,344.49

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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.