Home / 863,397.87-1,191,459.66-476,228.65

Finding the Fourth Proportional to 863,397.87, 1,191,459.66 and 476,228.65

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Solution

The fourth proportional to 863,397.87, 1,191,459.66 and 476,228.65 is: 657,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,397.87 : 1,191,459.66 = 476,228.65 : x
  2. Step 2: Convert to fraction form
    863,397.87/1,191,459.66 = 476,228.65/x
  3. Step 3: Cross multiply
    863,397.87x = 1,191,459.66 × 476,228.65
  4. Step 4: Simplify right side
    863,397.87x = 567,407,222,041.73
  5. Step 5: Solve for x
    x = 567,407,222,041.73/863,397.87
  6. Step 6: Final answer
    x = 657,179.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.