Home / 754,519.47-1,041,243.75-410,358.66

Finding the Fourth Proportional to 754,519.47, 1,041,243.75 and 410,358.66

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Solution

The fourth proportional to 754,519.47, 1,041,243.75 and 410,358.66 is: 566,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,519.47 : 1,041,243.75 = 410,358.66 : x
  2. Step 2: Convert to fraction form
    754,519.47/1,041,243.75 = 410,358.66/x
  3. Step 3: Cross multiply
    754,519.47x = 1,041,243.75 × 410,358.66
  4. Step 4: Simplify right side
    754,519.47x = 427,283,389,983.38
  5. Step 5: Solve for x
    x = 427,283,389,983.38/754,519.47
  6. Step 6: Final answer
    x = 566,298.69

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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.