Home / 749,121.46-1,123,692.57-243,685.08

Finding the Fourth Proportional to 749,121.46, 1,123,692.57 and 243,685.08

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Solution

The fourth proportional to 749,121.46, 1,123,692.57 and 243,685.08 is: 365,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,121.46 : 1,123,692.57 = 243,685.08 : x
  2. Step 2: Convert to fraction form
    749,121.46/1,123,692.57 = 243,685.08/x
  3. Step 3: Cross multiply
    749,121.46x = 1,123,692.57 × 243,685.08
  4. Step 4: Simplify right side
    749,121.46x = 273,827,116,625.09
  5. Step 5: Solve for x
    x = 273,827,116,625.09/749,121.46
  6. Step 6: Final answer
    x = 365,531.00

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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.