Home / 919,005.80-1,377,342.30-818,695.40

Finding the Fourth Proportional to 919,005.80, 1,377,342.30 and 818,695.40

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Solution

The fourth proportional to 919,005.80, 1,377,342.30 and 818,695.40 is: 1,227,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,005.80 : 1,377,342.30 = 818,695.40 : x
  2. Step 2: Convert to fraction form
    919,005.80/1,377,342.30 = 818,695.40/x
  3. Step 3: Cross multiply
    919,005.80x = 1,377,342.30 × 818,695.40
  4. Step 4: Simplify right side
    919,005.80x = 1,127,623,805,235.42
  5. Step 5: Solve for x
    x = 1,127,623,805,235.42/919,005.80
  6. Step 6: Final answer
    x = 1,227,004.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.