Home / 1,138,881.33-1,708,677.36-340,194.39

Finding the Fourth Proportional to 1,138,881.33, 1,708,677.36 and 340,194.39

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Solution

The fourth proportional to 1,138,881.33, 1,708,677.36 and 340,194.39 is: 510,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,881.33 : 1,708,677.36 = 340,194.39 : x
  2. Step 2: Convert to fraction form
    1,138,881.33/1,708,677.36 = 340,194.39/x
  3. Step 3: Cross multiply
    1,138,881.33x = 1,708,677.36 × 340,194.39
  4. Step 4: Simplify right side
    1,138,881.33x = 581,282,452,192.01
  5. Step 5: Solve for x
    x = 581,282,452,192.01/1,138,881.33
  6. Step 6: Final answer
    x = 510,397.74

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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.