Home / 1,083,372.72-1,625,210.40-452,142

Finding the Fourth Proportional to 1,083,372.72, 1,625,210.40 and 452,142

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Solution

The fourth proportional to 1,083,372.72, 1,625,210.40 and 452,142 is: 678,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,372.72 : 1,625,210.40 = 452,142 : x
  2. Step 2: Convert to fraction form
    1,083,372.72/1,625,210.40 = 452,142/x
  3. Step 3: Cross multiply
    1,083,372.72x = 1,625,210.40 × 452,142
  4. Step 4: Simplify right side
    1,083,372.72x = 734,825,880,676.80
  5. Step 5: Solve for x
    x = 734,825,880,676.80/1,083,372.72
  6. Step 6: Final answer
    x = 678,276.15

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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.