Home / 908,465.96-1,253,672.98-515,996.17

Finding the Fourth Proportional to 908,465.96, 1,253,672.98 and 515,996.17

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Solution

The fourth proportional to 908,465.96, 1,253,672.98 and 515,996.17 is: 712,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,465.96 : 1,253,672.98 = 515,996.17 : x
  2. Step 2: Convert to fraction form
    908,465.96/1,253,672.98 = 515,996.17/x
  3. Step 3: Cross multiply
    908,465.96x = 1,253,672.98 × 515,996.17
  4. Step 4: Simplify right side
    908,465.96x = 646,890,449,718.39
  5. Step 5: Solve for x
    x = 646,890,449,718.39/908,465.96
  6. Step 6: Final answer
    x = 712,069.00

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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.