Home / 963,062.32-1,329,247.20-640,786

Finding the Fourth Proportional to 963,062.32, 1,329,247.20 and 640,786

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Solution

The fourth proportional to 963,062.32, 1,329,247.20 and 640,786 is: 884,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,062.32 : 1,329,247.20 = 640,786 : x
  2. Step 2: Convert to fraction form
    963,062.32/1,329,247.20 = 640,786/x
  3. Step 3: Cross multiply
    963,062.32x = 1,329,247.20 × 640,786
  4. Step 4: Simplify right side
    963,062.32x = 851,762,996,299.20
  5. Step 5: Solve for x
    x = 851,762,996,299.20/963,062.32
  6. Step 6: Final answer
    x = 884,431.86

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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.