Home / 1,225,503.02-1,691,169.90-681,627.11

Finding the Fourth Proportional to 1,225,503.02, 1,691,169.90 and 681,627.11

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Solution

The fourth proportional to 1,225,503.02, 1,691,169.90 and 681,627.11 is: 940,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,503.02 : 1,691,169.90 = 681,627.11 : x
  2. Step 2: Convert to fraction form
    1,225,503.02/1,691,169.90 = 681,627.11/x
  3. Step 3: Cross multiply
    1,225,503.02x = 1,691,169.90 × 681,627.11
  4. Step 4: Simplify right side
    1,225,503.02x = 1,152,747,243,000.14
  5. Step 5: Solve for x
    x = 1,152,747,243,000.14/1,225,503.02
  6. Step 6: Final answer
    x = 940,631.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.