Home / 1,625,203.20-2,438,193.60-783,062.40

Finding the Fourth Proportional to 1,625,203.20, 2,438,193.60 and 783,062.40

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Solution

The fourth proportional to 1,625,203.20, 2,438,193.60 and 783,062.40 is: 1,174,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,203.20 : 2,438,193.60 = 783,062.40 : x
  2. Step 2: Convert to fraction form
    1,625,203.20/2,438,193.60 = 783,062.40/x
  3. Step 3: Cross multiply
    1,625,203.20x = 2,438,193.60 × 783,062.40
  4. Step 4: Simplify right side
    1,625,203.20x = 1,909,257,732,080.64
  5. Step 5: Solve for x
    x = 1,909,257,732,080.64/1,625,203.20
  6. Step 6: Final answer
    x = 1,174,780.93

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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.