Home / 725,422.30-1,000,027.69-506,952.69

Finding the Fourth Proportional to 725,422.30, 1,000,027.69 and 506,952.69

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Solution

The fourth proportional to 725,422.30, 1,000,027.69 and 506,952.69 is: 698,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,422.30 : 1,000,027.69 = 506,952.69 : x
  2. Step 2: Convert to fraction form
    725,422.30/1,000,027.69 = 506,952.69/x
  3. Step 3: Cross multiply
    725,422.30x = 1,000,027.69 × 506,952.69
  4. Step 4: Simplify right side
    725,422.30x = 506,966,727,519.99
  5. Step 5: Solve for x
    x = 506,966,727,519.99/725,422.30
  6. Step 6: Final answer
    x = 698,857.38

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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.