Home / 1,431,959.85-1,975,612.88-887,899.86

Finding the Fourth Proportional to 1,431,959.85, 1,975,612.88 and 887,899.86

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Solution

The fourth proportional to 1,431,959.85, 1,975,612.88 and 887,899.86 is: 1,224,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,959.85 : 1,975,612.88 = 887,899.86 : x
  2. Step 2: Convert to fraction form
    1,431,959.85/1,975,612.88 = 887,899.86/x
  3. Step 3: Cross multiply
    1,431,959.85x = 1,975,612.88 × 887,899.86
  4. Step 4: Simplify right side
    1,431,959.85x = 1,754,146,401,785.95
  5. Step 5: Solve for x
    x = 1,754,146,401,785.95/1,431,959.85
  6. Step 6: Final answer
    x = 1,224,996.92

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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.