Home / 1,938,587.40-2,908,010.70-659,176.20

Finding the Fourth Proportional to 1,938,587.40, 2,908,010.70 and 659,176.20

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Solution

The fourth proportional to 1,938,587.40, 2,908,010.70 and 659,176.20 is: 988,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,587.40 : 2,908,010.70 = 659,176.20 : x
  2. Step 2: Convert to fraction form
    1,938,587.40/2,908,010.70 = 659,176.20/x
  3. Step 3: Cross multiply
    1,938,587.40x = 2,908,010.70 × 659,176.20
  4. Step 4: Simplify right side
    1,938,587.40x = 1,916,891,442,785.34
  5. Step 5: Solve for x
    x = 1,916,891,442,785.34/1,938,587.40
  6. Step 6: Final answer
    x = 988,808.37

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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.