Home / 861,363.56-1,291,946.74-230,326.58

Finding the Fourth Proportional to 861,363.56, 1,291,946.74 and 230,326.58

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Solution

The fourth proportional to 861,363.56, 1,291,946.74 and 230,326.58 is: 345,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,363.56 : 1,291,946.74 = 230,326.58 : x
  2. Step 2: Convert to fraction form
    861,363.56/1,291,946.74 = 230,326.58/x
  3. Step 3: Cross multiply
    861,363.56x = 1,291,946.74 × 230,326.58
  4. Step 4: Simplify right side
    861,363.56x = 297,569,676,820.40
  5. Step 5: Solve for x
    x = 297,569,676,820.40/861,363.56
  6. Step 6: Final answer
    x = 345,463.51

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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.