Home / 1,168,208.11-1,742,000.45-1,126,577.89

Finding the Fourth Proportional to 1,168,208.11, 1,742,000.45 and 1,126,577.89

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Solution

The fourth proportional to 1,168,208.11, 1,742,000.45 and 1,126,577.89 is: 1,679,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,208.11 : 1,742,000.45 = 1,126,577.89 : x
  2. Step 2: Convert to fraction form
    1,168,208.11/1,742,000.45 = 1,126,577.89/x
  3. Step 3: Cross multiply
    1,168,208.11x = 1,742,000.45 × 1,126,577.89
  4. Step 4: Simplify right side
    1,168,208.11x = 1,962,499,191,340.05
  5. Step 5: Solve for x
    x = 1,962,499,191,340.05/1,168,208.11
  6. Step 6: Final answer
    x = 1,679,922.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.