Home / 1,293,682.60-1,944,023.10-1,139,717.80

Finding the Fourth Proportional to 1,293,682.60, 1,944,023.10 and 1,139,717.80

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Solution

The fourth proportional to 1,293,682.60, 1,944,023.10 and 1,139,717.80 is: 1,712,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,682.60 : 1,944,023.10 = 1,139,717.80 : x
  2. Step 2: Convert to fraction form
    1,293,682.60/1,944,023.10 = 1,139,717.80/x
  3. Step 3: Cross multiply
    1,293,682.60x = 1,944,023.10 × 1,139,717.80
  4. Step 4: Simplify right side
    1,293,682.60x = 2,215,637,730,681.18
  5. Step 5: Solve for x
    x = 2,215,637,730,681.18/1,293,682.60
  6. Step 6: Final answer
    x = 1,712,659.45

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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.