Home / 1,478,573.85-2,040,045.30-866,398.53

Finding the Fourth Proportional to 1,478,573.85, 2,040,045.30 and 866,398.53

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Solution

The fourth proportional to 1,478,573.85, 2,040,045.30 and 866,398.53 is: 1,195,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,573.85 : 2,040,045.30 = 866,398.53 : x
  2. Step 2: Convert to fraction form
    1,478,573.85/2,040,045.30 = 866,398.53/x
  3. Step 3: Cross multiply
    1,478,573.85x = 2,040,045.30 × 866,398.53
  4. Step 4: Simplify right side
    1,478,573.85x = 1,767,492,249,053.41
  5. Step 5: Solve for x
    x = 1,767,492,249,053.41/1,478,573.85
  6. Step 6: Final answer
    x = 1,195,403.43

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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.