Home / 887,962.53-1,225,548.45-500,896.74

Finding the Fourth Proportional to 887,962.53, 1,225,548.45 and 500,896.74

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Solution

The fourth proportional to 887,962.53, 1,225,548.45 and 500,896.74 is: 691,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,962.53 : 1,225,548.45 = 500,896.74 : x
  2. Step 2: Convert to fraction form
    887,962.53/1,225,548.45 = 500,896.74/x
  3. Step 3: Cross multiply
    887,962.53x = 1,225,548.45 × 500,896.74
  4. Step 4: Simplify right side
    887,962.53x = 613,873,223,317.05
  5. Step 5: Solve for x
    x = 613,873,223,317.05/887,962.53
  6. Step 6: Final answer
    x = 691,327.85

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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.