Home / 1,319,061.29-1,978,626.00-359,524.76

Finding the Fourth Proportional to 1,319,061.29, 1,978,626.00 and 359,524.76

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Solution

The fourth proportional to 1,319,061.29, 1,978,626.00 and 359,524.76 is: 539,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,061.29 : 1,978,626.00 = 359,524.76 : x
  2. Step 2: Convert to fraction form
    1,319,061.29/1,978,626.00 = 359,524.76/x
  3. Step 3: Cross multiply
    1,319,061.29x = 1,978,626.00 × 359,524.76
  4. Step 4: Simplify right side
    1,319,061.29x = 711,365,044,074.54
  5. Step 5: Solve for x
    x = 711,365,044,074.54/1,319,061.29
  6. Step 6: Final answer
    x = 539,296.43

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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.