Home / 832,145.04-1,148,392.71-487,933.11

Finding the Fourth Proportional to 832,145.04, 1,148,392.71 and 487,933.11

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Solution

The fourth proportional to 832,145.04, 1,148,392.71 and 487,933.11 is: 673,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,145.04 : 1,148,392.71 = 487,933.11 : x
  2. Step 2: Convert to fraction form
    832,145.04/1,148,392.71 = 487,933.11/x
  3. Step 3: Cross multiply
    832,145.04x = 1,148,392.71 × 487,933.11
  4. Step 4: Simplify right side
    832,145.04x = 560,338,826,491.63
  5. Step 5: Solve for x
    x = 560,338,826,491.63/832,145.04
  6. Step 6: Final answer
    x = 673,366.78

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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.