Home / 657,397.09-986,151.86-230,895.79

Finding the Fourth Proportional to 657,397.09, 986,151.86 and 230,895.79

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Solution

The fourth proportional to 657,397.09, 986,151.86 and 230,895.79 is: 346,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,397.09 : 986,151.86 = 230,895.79 : x
  2. Step 2: Convert to fraction form
    657,397.09/986,151.86 = 230,895.79/x
  3. Step 3: Cross multiply
    657,397.09x = 986,151.86 × 230,895.79
  4. Step 4: Simplify right side
    657,397.09x = 227,698,314,093.01
  5. Step 5: Solve for x
    x = 227,698,314,093.01/657,397.09
  6. Step 6: Final answer
    x = 346,363.44

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Double scale
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Similar ratio
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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.