Home / 1,115,984.06-1,540,178.40-632,497.30

Finding the Fourth Proportional to 1,115,984.06, 1,540,178.40 and 632,497.30

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Solution

The fourth proportional to 1,115,984.06, 1,540,178.40 and 632,497.30 is: 872,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,984.06 : 1,540,178.40 = 632,497.30 : x
  2. Step 2: Convert to fraction form
    1,115,984.06/1,540,178.40 = 632,497.30/x
  3. Step 3: Cross multiply
    1,115,984.06x = 1,540,178.40 × 632,497.30
  4. Step 4: Simplify right side
    1,115,984.06x = 974,158,679,518.32
  5. Step 5: Solve for x
    x = 974,158,679,518.32/1,115,984.06
  6. Step 6: Final answer
    x = 872,914.51

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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.