Home / 1,861,031.40-2,791,547.10-662,992.80

Finding the Fourth Proportional to 1,861,031.40, 2,791,547.10 and 662,992.80

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Solution

The fourth proportional to 1,861,031.40, 2,791,547.10 and 662,992.80 is: 994,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,031.40 : 2,791,547.10 = 662,992.80 : x
  2. Step 2: Convert to fraction form
    1,861,031.40/2,791,547.10 = 662,992.80/x
  3. Step 3: Cross multiply
    1,861,031.40x = 2,791,547.10 × 662,992.80
  4. Step 4: Simplify right side
    1,861,031.40x = 1,850,775,628,160.88
  5. Step 5: Solve for x
    x = 1,850,775,628,160.88/1,861,031.40
  6. Step 6: Final answer
    x = 994,489.20

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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.