Home / 1,138,504.72-1,704,214.14-716,894.86

Finding the Fourth Proportional to 1,138,504.72, 1,704,214.14 and 716,894.86

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Solution

The fourth proportional to 1,138,504.72, 1,704,214.14 and 716,894.86 is: 1,073,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,504.72 : 1,704,214.14 = 716,894.86 : x
  2. Step 2: Convert to fraction form
    1,138,504.72/1,704,214.14 = 716,894.86/x
  3. Step 3: Cross multiply
    1,138,504.72x = 1,704,214.14 × 716,894.86
  4. Step 4: Simplify right side
    1,138,504.72x = 1,221,742,357,305.32
  5. Step 5: Solve for x
    x = 1,221,742,357,305.32/1,138,504.72
  6. Step 6: Final answer
    x = 1,073,111.37

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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.