Home / 736,868.10-1,105,302.15-512,919.30

Finding the Fourth Proportional to 736,868.10, 1,105,302.15 and 512,919.30

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Solution

The fourth proportional to 736,868.10, 1,105,302.15 and 512,919.30 is: 769,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,868.10 : 1,105,302.15 = 512,919.30 : x
  2. Step 2: Convert to fraction form
    736,868.10/1,105,302.15 = 512,919.30/x
  3. Step 3: Cross multiply
    736,868.10x = 1,105,302.15 × 512,919.30
  4. Step 4: Simplify right side
    736,868.10x = 566,930,805,066.50
  5. Step 5: Solve for x
    x = 566,930,805,066.50/736,868.10
  6. Step 6: Final answer
    x = 769,378.95

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Double scale
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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.