Home / 786,478.16-1,179,716.92-195,502.16

Finding the Fourth Proportional to 786,478.16, 1,179,716.92 and 195,502.16

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Solution

The fourth proportional to 786,478.16, 1,179,716.92 and 195,502.16 is: 293,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,478.16 : 1,179,716.92 = 195,502.16 : x
  2. Step 2: Convert to fraction form
    786,478.16/1,179,716.92 = 195,502.16/x
  3. Step 3: Cross multiply
    786,478.16x = 1,179,716.92 × 195,502.16
  4. Step 4: Simplify right side
    786,478.16x = 230,637,206,048.55
  5. Step 5: Solve for x
    x = 230,637,206,048.55/786,478.16
  6. Step 6: Final answer
    x = 293,253.16

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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.