Home / 1,637,108.40-2,455,662.60-515,177.40

Finding the Fourth Proportional to 1,637,108.40, 2,455,662.60 and 515,177.40

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Solution

The fourth proportional to 1,637,108.40, 2,455,662.60 and 515,177.40 is: 772,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,108.40 : 2,455,662.60 = 515,177.40 : x
  2. Step 2: Convert to fraction form
    1,637,108.40/2,455,662.60 = 515,177.40/x
  3. Step 3: Cross multiply
    1,637,108.40x = 2,455,662.60 × 515,177.40
  4. Step 4: Simplify right side
    1,637,108.40x = 1,265,101,873,545.24
  5. Step 5: Solve for x
    x = 1,265,101,873,545.24/1,637,108.40
  6. Step 6: Final answer
    x = 772,766.10

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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.