Home / 817,272.28-1,127,196.70-530,884.64

Finding the Fourth Proportional to 817,272.28, 1,127,196.70 and 530,884.64

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Solution

The fourth proportional to 817,272.28, 1,127,196.70 and 530,884.64 is: 732,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,272.28 : 1,127,196.70 = 530,884.64 : x
  2. Step 2: Convert to fraction form
    817,272.28/1,127,196.70 = 530,884.64/x
  3. Step 3: Cross multiply
    817,272.28x = 1,127,196.70 × 530,884.64
  4. Step 4: Simplify right side
    817,272.28x = 598,411,414,288.69
  5. Step 5: Solve for x
    x = 598,411,414,288.69/817,272.28
  6. Step 6: Final answer
    x = 732,205.69

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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.