Home / 873,002.10-1,310,487.30-674,203.80

Finding the Fourth Proportional to 873,002.10, 1,310,487.30 and 674,203.80

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Solution

The fourth proportional to 873,002.10, 1,310,487.30 and 674,203.80 is: 1,012,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,002.10 : 1,310,487.30 = 674,203.80 : x
  2. Step 2: Convert to fraction form
    873,002.10/1,310,487.30 = 674,203.80/x
  3. Step 3: Cross multiply
    873,002.10x = 1,310,487.30 × 674,203.80
  4. Step 4: Simplify right side
    873,002.10x = 883,535,517,511.74
  5. Step 5: Solve for x
    x = 883,535,517,511.74/873,002.10
  6. Step 6: Final answer
    x = 1,012,065.74

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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.