Home / 866,152.32-1,195,241.72-478,945.32

Finding the Fourth Proportional to 866,152.32, 1,195,241.72 and 478,945.32

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Solution

The fourth proportional to 866,152.32, 1,195,241.72 and 478,945.32 is: 660,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,152.32 : 1,195,241.72 = 478,945.32 : x
  2. Step 2: Convert to fraction form
    866,152.32/1,195,241.72 = 478,945.32/x
  3. Step 3: Cross multiply
    866,152.32x = 1,195,241.72 × 478,945.32
  4. Step 4: Simplify right side
    866,152.32x = 572,455,425,668.02
  5. Step 5: Solve for x
    x = 572,455,425,668.02/866,152.32
  6. Step 6: Final answer
    x = 660,917.73

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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.