Home / 908,698.55-1,253,947.65-500,777.63

Finding the Fourth Proportional to 908,698.55, 1,253,947.65 and 500,777.63

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Solution

The fourth proportional to 908,698.55, 1,253,947.65 and 500,777.63 is: 691,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,698.55 : 1,253,947.65 = 500,777.63 : x
  2. Step 2: Convert to fraction form
    908,698.55/1,253,947.65 = 500,777.63/x
  3. Step 3: Cross multiply
    908,698.55x = 1,253,947.65 × 500,777.63
  4. Step 4: Simplify right side
    908,698.55x = 627,948,926,041.33
  5. Step 5: Solve for x
    x = 627,948,926,041.33/908,698.55
  6. Step 6: Final answer
    x = 691,042.07

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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.