Home / 1,861,897.56-2,793,065-663,990.16

Finding the Fourth Proportional to 1,861,897.56, 2,793,065 and 663,990.16

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Solution

The fourth proportional to 1,861,897.56, 2,793,065 and 663,990.16 is: 996,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,897.56 : 2,793,065 = 663,990.16 : x
  2. Step 2: Convert to fraction form
    1,861,897.56/2,793,065 = 663,990.16/x
  3. Step 3: Cross multiply
    1,861,897.56x = 2,793,065 × 663,990.16
  4. Step 4: Simplify right side
    1,861,897.56x = 1,854,567,676,240.40
  5. Step 5: Solve for x
    x = 1,854,567,676,240.40/1,861,897.56
  6. Step 6: Final answer
    x = 996,063.22

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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.