Home / 880,576.17-1,215,199.89-498,677.37

Finding the Fourth Proportional to 880,576.17, 1,215,199.89 and 498,677.37

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Solution

The fourth proportional to 880,576.17, 1,215,199.89 and 498,677.37 is: 688,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,576.17 : 1,215,199.89 = 498,677.37 : x
  2. Step 2: Convert to fraction form
    880,576.17/1,215,199.89 = 498,677.37/x
  3. Step 3: Cross multiply
    880,576.17x = 1,215,199.89 × 498,677.37
  4. Step 4: Simplify right side
    880,576.17x = 605,992,685,169.49
  5. Step 5: Solve for x
    x = 605,992,685,169.49/880,576.17
  6. Step 6: Final answer
    x = 688,177.47

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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.