Home / 988,189.60-1,481,938.80-514,717.60

Finding the Fourth Proportional to 988,189.60, 1,481,938.80 and 514,717.60

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Solution

The fourth proportional to 988,189.60, 1,481,938.80 and 514,717.60 is: 771,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,189.60 : 1,481,938.80 = 514,717.60 : x
  2. Step 2: Convert to fraction form
    988,189.60/1,481,938.80 = 514,717.60/x
  3. Step 3: Cross multiply
    988,189.60x = 1,481,938.80 × 514,717.60
  4. Step 4: Simplify right side
    988,189.60x = 762,779,982,482.88
  5. Step 5: Solve for x
    x = 762,779,982,482.88/988,189.60
  6. Step 6: Final answer
    x = 771,896.39

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1.5x scale

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.