Home / 1,283,207.40-1,920,663.90-1,001,197.80

Finding the Fourth Proportional to 1,283,207.40, 1,920,663.90 and 1,001,197.80

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Solution

The fourth proportional to 1,283,207.40, 1,920,663.90 and 1,001,197.80 is: 1,498,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,207.40 : 1,920,663.90 = 1,001,197.80 : x
  2. Step 2: Convert to fraction form
    1,283,207.40/1,920,663.90 = 1,001,197.80/x
  3. Step 3: Cross multiply
    1,283,207.40x = 1,920,663.90 × 1,001,197.80
  4. Step 4: Simplify right side
    1,283,207.40x = 1,922,964,471,219.42
  5. Step 5: Solve for x
    x = 1,922,964,471,219.42/1,283,207.40
  6. Step 6: Final answer
    x = 1,498,560.93

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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.