Home / 809,070.54-1,116,937.13-591,034.39

Finding the Fourth Proportional to 809,070.54, 1,116,937.13 and 591,034.39

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Solution

The fourth proportional to 809,070.54, 1,116,937.13 and 591,034.39 is: 815,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,070.54 : 1,116,937.13 = 591,034.39 : x
  2. Step 2: Convert to fraction form
    809,070.54/1,116,937.13 = 591,034.39/x
  3. Step 3: Cross multiply
    809,070.54x = 1,116,937.13 × 591,034.39
  4. Step 4: Simplify right side
    809,070.54x = 660,148,252,874.95
  5. Step 5: Solve for x
    x = 660,148,252,874.95/809,070.54
  6. Step 6: Final answer
    x = 815,934.11

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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.