Home / 971,763.50-1,340,949.57-627,614.45

Finding the Fourth Proportional to 971,763.50, 1,340,949.57 and 627,614.45

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Solution

The fourth proportional to 971,763.50, 1,340,949.57 and 627,614.45 is: 866,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,763.50 : 1,340,949.57 = 627,614.45 : x
  2. Step 2: Convert to fraction form
    971,763.50/1,340,949.57 = 627,614.45/x
  3. Step 3: Cross multiply
    971,763.50x = 1,340,949.57 × 627,614.45
  4. Step 4: Simplify right side
    971,763.50x = 841,599,326,853.29
  5. Step 5: Solve for x
    x = 841,599,326,853.29/971,763.50
  6. Step 6: Final answer
    x = 866,053.65

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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.