Home / 756,054.70-1,134,082.05-437,190.10

Finding the Fourth Proportional to 756,054.70, 1,134,082.05 and 437,190.10

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Solution

The fourth proportional to 756,054.70, 1,134,082.05 and 437,190.10 is: 655,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,054.70 : 1,134,082.05 = 437,190.10 : x
  2. Step 2: Convert to fraction form
    756,054.70/1,134,082.05 = 437,190.10/x
  3. Step 3: Cross multiply
    756,054.70x = 1,134,082.05 × 437,190.10
  4. Step 4: Simplify right side
    756,054.70x = 495,809,444,847.71
  5. Step 5: Solve for x
    x = 495,809,444,847.71/756,054.70
  6. Step 6: Final answer
    x = 655,785.15

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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.