Home / 1,865,723.28-2,798,600.61-517,990.98

Finding the Fourth Proportional to 1,865,723.28, 2,798,600.61 and 517,990.98

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Solution

The fourth proportional to 1,865,723.28, 2,798,600.61 and 517,990.98 is: 776,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,723.28 : 2,798,600.61 = 517,990.98 : x
  2. Step 2: Convert to fraction form
    1,865,723.28/2,798,600.61 = 517,990.98/x
  3. Step 3: Cross multiply
    1,865,723.28x = 2,798,600.61 × 517,990.98
  4. Step 4: Simplify right side
    1,865,723.28x = 1,449,649,872,602.50
  5. Step 5: Solve for x
    x = 1,449,649,872,602.50/1,865,723.28
  6. Step 6: Final answer
    x = 776,990.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.