Home / 1,723,974.60-2,587,128.30-776,857.80

Finding the Fourth Proportional to 1,723,974.60, 2,587,128.30 and 776,857.80

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Solution

The fourth proportional to 1,723,974.60, 2,587,128.30 and 776,857.80 is: 1,165,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,974.60 : 2,587,128.30 = 776,857.80 : x
  2. Step 2: Convert to fraction form
    1,723,974.60/2,587,128.30 = 776,857.80/x
  3. Step 3: Cross multiply
    1,723,974.60x = 2,587,128.30 × 776,857.80
  4. Step 4: Simplify right side
    1,723,974.60x = 2,009,830,799,455.74
  5. Step 5: Solve for x
    x = 2,009,830,799,455.74/1,723,974.60
  6. Step 6: Final answer
    x = 1,165,812.30

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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.