Home / 1,989,996.16-2,984,115.84-569,729.92

Finding the Fourth Proportional to 1,989,996.16, 2,984,115.84 and 569,729.92

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Solution

The fourth proportional to 1,989,996.16, 2,984,115.84 and 569,729.92 is: 854,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,996.16 : 2,984,115.84 = 569,729.92 : x
  2. Step 2: Convert to fraction form
    1,989,996.16/2,984,115.84 = 569,729.92/x
  3. Step 3: Cross multiply
    1,989,996.16x = 2,984,115.84 × 569,729.92
  4. Step 4: Simplify right side
    1,989,996.16x = 1,700,140,078,793.93
  5. Step 5: Solve for x
    x = 1,700,140,078,793.93/1,989,996.16
  6. Step 6: Final answer
    x = 854,343.40

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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.