Home / 1,227,582.30-1,838,263.05-978,750.30

Finding the Fourth Proportional to 1,227,582.30, 1,838,263.05 and 978,750.30

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Solution

The fourth proportional to 1,227,582.30, 1,838,263.05 and 978,750.30 is: 1,465,645.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,582.30 : 1,838,263.05 = 978,750.30 : x
  2. Step 2: Convert to fraction form
    1,227,582.30/1,838,263.05 = 978,750.30/x
  3. Step 3: Cross multiply
    1,227,582.30x = 1,838,263.05 × 978,750.30
  4. Step 4: Simplify right side
    1,227,582.30x = 1,799,200,511,666.42
  5. Step 5: Solve for x
    x = 1,799,200,511,666.42/1,227,582.30
  6. Step 6: Final answer
    x = 1,465,645.53

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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.