Home / 1,234,479.72-1,703,542.86-690,625.02

Finding the Fourth Proportional to 1,234,479.72, 1,703,542.86 and 690,625.02

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Solution

The fourth proportional to 1,234,479.72, 1,703,542.86 and 690,625.02 is: 953,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,479.72 : 1,703,542.86 = 690,625.02 : x
  2. Step 2: Convert to fraction form
    1,234,479.72/1,703,542.86 = 690,625.02/x
  3. Step 3: Cross multiply
    1,234,479.72x = 1,703,542.86 × 690,625.02
  4. Step 4: Simplify right side
    1,234,479.72x = 1,176,509,321,758.36
  5. Step 5: Solve for x
    x = 1,176,509,321,758.36/1,234,479.72
  6. Step 6: Final answer
    x = 953,040.62

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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.