Home / 817,271.28-1,127,195.31-530,883.63

Finding the Fourth Proportional to 817,271.28, 1,127,195.31 and 530,883.63

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Solution

The fourth proportional to 817,271.28, 1,127,195.31 and 530,883.63 is: 732,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,271.28 : 1,127,195.31 = 530,883.63 : x
  2. Step 2: Convert to fraction form
    817,271.28/1,127,195.31 = 530,883.63/x
  3. Step 3: Cross multiply
    817,271.28x = 1,127,195.31 × 530,883.63
  4. Step 4: Simplify right side
    817,271.28x = 598,409,537,891.78
  5. Step 5: Solve for x
    x = 598,409,537,891.78/817,271.28
  6. Step 6: Final answer
    x = 732,204.29

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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.