Home / 1,116,018.72-1,540,226.07-632,531.88

Finding the Fourth Proportional to 1,116,018.72, 1,540,226.07 and 632,531.88

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Solution

The fourth proportional to 1,116,018.72, 1,540,226.07 and 632,531.88 is: 872,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,018.72 : 1,540,226.07 = 632,531.88 : x
  2. Step 2: Convert to fraction form
    1,116,018.72/1,540,226.07 = 632,531.88/x
  3. Step 3: Cross multiply
    1,116,018.72x = 1,540,226.07 × 632,531.88
  4. Step 4: Simplify right side
    1,116,018.72x = 974,242,091,682.11
  5. Step 5: Solve for x
    x = 974,242,091,682.11/1,116,018.72
  6. Step 6: Final answer
    x = 872,962.14

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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.