Home / 754,483.17-1,131,708.34-354,902.47

Finding the Fourth Proportional to 754,483.17, 1,131,708.34 and 354,902.47

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Solution

The fourth proportional to 754,483.17, 1,131,708.34 and 354,902.47 is: 532,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,483.17 : 1,131,708.34 = 354,902.47 : x
  2. Step 2: Convert to fraction form
    754,483.17/1,131,708.34 = 354,902.47/x
  3. Step 3: Cross multiply
    754,483.17x = 1,131,708.34 × 354,902.47
  4. Step 4: Simplify right side
    754,483.17x = 401,646,085,185.60
  5. Step 5: Solve for x
    x = 401,646,085,185.60/754,483.17
  6. Step 6: Final answer
    x = 532,345.98

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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.