Home / 1,162,015.52-1,742,631.28-442,186.32

Finding the Fourth Proportional to 1,162,015.52, 1,742,631.28 and 442,186.32

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Solution

The fourth proportional to 1,162,015.52, 1,742,631.28 and 442,186.32 is: 663,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,015.52 : 1,742,631.28 = 442,186.32 : x
  2. Step 2: Convert to fraction form
    1,162,015.52/1,742,631.28 = 442,186.32/x
  3. Step 3: Cross multiply
    1,162,015.52x = 1,742,631.28 × 442,186.32
  4. Step 4: Simplify right side
    1,162,015.52x = 770,567,712,820.09
  5. Step 5: Solve for x
    x = 770,567,712,820.09/1,162,015.52
  6. Step 6: Final answer
    x = 663,130.31

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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.