Home / 817,273.28-1,127,198.08-530,885.64

Finding the Fourth Proportional to 817,273.28, 1,127,198.08 and 530,885.64

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Solution

The fourth proportional to 817,273.28, 1,127,198.08 and 530,885.64 is: 732,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,273.28 : 1,127,198.08 = 530,885.64 : x
  2. Step 2: Convert to fraction form
    817,273.28/1,127,198.08 = 530,885.64/x
  3. Step 3: Cross multiply
    817,273.28x = 1,127,198.08 × 530,885.64
  4. Step 4: Simplify right side
    817,273.28x = 598,413,274,107.57
  5. Step 5: Solve for x
    x = 598,413,274,107.57/817,273.28
  6. Step 6: Final answer
    x = 732,207.07

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Double scale
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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.