Home / 1,115,984.45-1,540,178.97-632,497.70

Finding the Fourth Proportional to 1,115,984.45, 1,540,178.97 and 632,497.70

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Solution

The fourth proportional to 1,115,984.45, 1,540,178.97 and 632,497.70 is: 872,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,984.45 : 1,540,178.97 = 632,497.70 : x
  2. Step 2: Convert to fraction form
    1,115,984.45/1,540,178.97 = 632,497.70/x
  3. Step 3: Cross multiply
    1,115,984.45x = 1,540,178.97 × 632,497.70
  4. Step 4: Simplify right side
    1,115,984.45x = 974,159,656,113.37
  5. Step 5: Solve for x
    x = 974,159,656,113.37/1,115,984.45
  6. Step 6: Final answer
    x = 872,915.08

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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.