Home / 1,116,403.12-1,540,648.64-607,105.52

Finding the Fourth Proportional to 1,116,403.12, 1,540,648.64 and 607,105.52

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Solution

The fourth proportional to 1,116,403.12, 1,540,648.64 and 607,105.52 is: 837,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,403.12 : 1,540,648.64 = 607,105.52 : x
  2. Step 2: Convert to fraction form
    1,116,403.12/1,540,648.64 = 607,105.52/x
  3. Step 3: Cross multiply
    1,116,403.12x = 1,540,648.64 × 607,105.52
  4. Step 4: Simplify right side
    1,116,403.12x = 935,336,293,724.49
  5. Step 5: Solve for x
    x = 935,336,293,724.49/1,116,403.12
  6. Step 6: Final answer
    x = 837,812.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.