Home / 1,119,287.11-1,544,865.51-711,309.40

Finding the Fourth Proportional to 1,119,287.11, 1,544,865.51 and 711,309.40

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Solution

The fourth proportional to 1,119,287.11, 1,544,865.51 and 711,309.40 is: 981,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,287.11 : 1,544,865.51 = 711,309.40 : x
  2. Step 2: Convert to fraction form
    1,119,287.11/1,544,865.51 = 711,309.40/x
  3. Step 3: Cross multiply
    1,119,287.11x = 1,544,865.51 × 711,309.40
  4. Step 4: Simplify right side
    1,119,287.11x = 1,098,877,357,804.04
  5. Step 5: Solve for x
    x = 1,098,877,357,804.04/1,119,287.11
  6. Step 6: Final answer
    x = 981,765.40

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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.