Home / 988,195.60-1,481,947.80-514,723.60

Finding the Fourth Proportional to 988,195.60, 1,481,947.80 and 514,723.60

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Solution

The fourth proportional to 988,195.60, 1,481,947.80 and 514,723.60 is: 771,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,195.60 : 1,481,947.80 = 514,723.60 : x
  2. Step 2: Convert to fraction form
    988,195.60/1,481,947.80 = 514,723.60/x
  3. Step 3: Cross multiply
    988,195.60x = 1,481,947.80 × 514,723.60
  4. Step 4: Simplify right side
    988,195.60x = 762,793,506,628.08
  5. Step 5: Solve for x
    x = 762,793,506,628.08/988,195.60
  6. Step 6: Final answer
    x = 771,905.39

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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.