Home / 1,674,869.30-2,311,330.57-910,928.42

Finding the Fourth Proportional to 1,674,869.30, 2,311,330.57 and 910,928.42

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Solution

The fourth proportional to 1,674,869.30, 2,311,330.57 and 910,928.42 is: 1,257,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,869.30 : 2,311,330.57 = 910,928.42 : x
  2. Step 2: Convert to fraction form
    1,674,869.30/2,311,330.57 = 910,928.42/x
  3. Step 3: Cross multiply
    1,674,869.30x = 2,311,330.57 × 910,928.42
  4. Step 4: Simplify right side
    1,674,869.30x = 2,105,456,690,393.83
  5. Step 5: Solve for x
    x = 2,105,456,690,393.83/1,674,869.30
  6. Step 6: Final answer
    x = 1,257,087.16

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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.