Home / 2,785,598.61-4,178,999.49-866,473.30

Finding the Fourth Proportional to 2,785,598.61, 4,178,999.49 and 866,473.30

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Solution

The fourth proportional to 2,785,598.61, 4,178,999.49 and 866,473.30 is: 1,299,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,598.61 : 4,178,999.49 = 866,473.30 : x
  2. Step 2: Convert to fraction form
    2,785,598.61/4,178,999.49 = 866,473.30/x
  3. Step 3: Cross multiply
    2,785,598.61x = 4,178,999.49 × 866,473.30
  4. Step 4: Simplify right side
    2,785,598.61x = 3,620,991,480,773.09
  5. Step 5: Solve for x
    x = 3,620,991,480,773.09/2,785,598.61
  6. Step 6: Final answer
    x = 1,299,897.08

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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.