Home / 832,170.40-1,248,255.60-412,266.40

Finding the Fourth Proportional to 832,170.40, 1,248,255.60 and 412,266.40

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Solution

The fourth proportional to 832,170.40, 1,248,255.60 and 412,266.40 is: 618,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,170.40 : 1,248,255.60 = 412,266.40 : x
  2. Step 2: Convert to fraction form
    832,170.40/1,248,255.60 = 412,266.40/x
  3. Step 3: Cross multiply
    832,170.40x = 1,248,255.60 × 412,266.40
  4. Step 4: Simplify right side
    832,170.40x = 514,613,842,491.84
  5. Step 5: Solve for x
    x = 514,613,842,491.84/832,170.40
  6. Step 6: Final answer
    x = 618,399.60

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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.