Home / 971,726.57-1,341,412.66-627,730.23

Finding the Fourth Proportional to 971,726.57, 1,341,412.66 and 627,730.23

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Solution

The fourth proportional to 971,726.57, 1,341,412.66 and 627,730.23 is: 866,545.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,726.57 : 1,341,412.66 = 627,730.23 : x
  2. Step 2: Convert to fraction form
    971,726.57/1,341,412.66 = 627,730.23/x
  3. Step 3: Cross multiply
    971,726.57x = 1,341,412.66 × 627,730.23
  4. Step 4: Simplify right side
    971,726.57x = 842,045,277,586.71
  5. Step 5: Solve for x
    x = 842,045,277,586.71/971,726.57
  6. Step 6: Final answer
    x = 866,545.49

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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.