Home / 786,463.50-1,179,699.57-195,487.50

Finding the Fourth Proportional to 786,463.50, 1,179,699.57 and 195,487.50

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Solution

The fourth proportional to 786,463.50, 1,179,699.57 and 195,487.50 is: 293,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,463.50 : 1,179,699.57 = 195,487.50 : x
  2. Step 2: Convert to fraction form
    786,463.50/1,179,699.57 = 195,487.50/x
  3. Step 3: Cross multiply
    786,463.50x = 1,179,699.57 × 195,487.50
  4. Step 4: Simplify right side
    786,463.50x = 230,616,519,690.38
  5. Step 5: Solve for x
    x = 230,616,519,690.38/786,463.50
  6. Step 6: Final answer
    x = 293,232.32

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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.