Home / 887,815.08-1,224,890.71-500,581.82

Finding the Fourth Proportional to 887,815.08, 1,224,890.71 and 500,581.82

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Solution

The fourth proportional to 887,815.08, 1,224,890.71 and 500,581.82 is: 690,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,815.08 : 1,224,890.71 = 500,581.82 : x
  2. Step 2: Convert to fraction form
    887,815.08/1,224,890.71 = 500,581.82/x
  3. Step 3: Cross multiply
    887,815.08x = 1,224,890.71 × 500,581.82
  4. Step 4: Simplify right side
    887,815.08x = 613,158,022,723.66
  5. Step 5: Solve for x
    x = 613,158,022,723.66/887,815.08
  6. Step 6: Final answer
    x = 690,637.09

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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.