Home / 1,073,167.46-1,480,648.15-643,290.74

Finding the Fourth Proportional to 1,073,167.46, 1,480,648.15 and 643,290.74

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Solution

The fourth proportional to 1,073,167.46, 1,480,648.15 and 643,290.74 is: 887,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,167.46 : 1,480,648.15 = 643,290.74 : x
  2. Step 2: Convert to fraction form
    1,073,167.46/1,480,648.15 = 643,290.74/x
  3. Step 3: Cross multiply
    1,073,167.46x = 1,480,648.15 × 643,290.74
  4. Step 4: Simplify right side
    1,073,167.46x = 952,487,246,186.53
  5. Step 5: Solve for x
    x = 952,487,246,186.53/1,073,167.46
  6. Step 6: Final answer
    x = 887,547.64

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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.