Home / 1,217,758.08-1,680,446.56-673,884.16

Finding the Fourth Proportional to 1,217,758.08, 1,680,446.56 and 673,884.16

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Solution

The fourth proportional to 1,217,758.08, 1,680,446.56 and 673,884.16 is: 929,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,758.08 : 1,680,446.56 = 673,884.16 : x
  2. Step 2: Convert to fraction form
    1,217,758.08/1,680,446.56 = 673,884.16/x
  3. Step 3: Cross multiply
    1,217,758.08x = 1,680,446.56 × 673,884.16
  4. Step 4: Simplify right side
    1,217,758.08x = 1,132,426,318,510.49
  5. Step 5: Solve for x
    x = 1,132,426,318,510.49/1,217,758.08
  6. Step 6: Final answer
    x = 929,927.16

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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.