Home / 866,053.29-1,299,443.25-385,950.35

Finding the Fourth Proportional to 866,053.29, 1,299,443.25 and 385,950.35

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Solution

The fourth proportional to 866,053.29, 1,299,443.25 and 385,950.35 is: 579,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,053.29 : 1,299,443.25 = 385,950.35 : x
  2. Step 2: Convert to fraction form
    866,053.29/1,299,443.25 = 385,950.35/x
  3. Step 3: Cross multiply
    866,053.29x = 1,299,443.25 × 385,950.35
  4. Step 4: Simplify right side
    866,053.29x = 501,520,577,142.64
  5. Step 5: Solve for x
    x = 501,520,577,142.64/866,053.29
  6. Step 6: Final answer
    x = 579,087.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.