Home / 832,647.60-1,248,679.80-433,155.60

Finding the Fourth Proportional to 832,647.60, 1,248,679.80 and 433,155.60

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Solution

The fourth proportional to 832,647.60, 1,248,679.80 and 433,155.60 is: 649,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,647.60 : 1,248,679.80 = 433,155.60 : x
  2. Step 2: Convert to fraction form
    832,647.60/1,248,679.80 = 433,155.60/x
  3. Step 3: Cross multiply
    832,647.60x = 1,248,679.80 × 433,155.60
  4. Step 4: Simplify right side
    832,647.60x = 540,872,647,976.88
  5. Step 5: Solve for x
    x = 540,872,647,976.88/832,647.60
  6. Step 6: Final answer
    x = 649,581.71

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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.