Home / 866,094.78-1,195,162.38-478,887.75

Finding the Fourth Proportional to 866,094.78, 1,195,162.38 and 478,887.75

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Solution

The fourth proportional to 866,094.78, 1,195,162.38 and 478,887.75 is: 660,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,094.78 : 1,195,162.38 = 478,887.75 : x
  2. Step 2: Convert to fraction form
    866,094.78/1,195,162.38 = 478,887.75/x
  3. Step 3: Cross multiply
    866,094.78x = 1,195,162.38 × 478,887.75
  4. Step 4: Simplify right side
    866,094.78x = 572,348,623,042.85
  5. Step 5: Solve for x
    x = 572,348,623,042.85/866,094.78
  6. Step 6: Final answer
    x = 660,838.32

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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.