Home / 1,319,966.80-1,978,159.26-560,856.40

Finding the Fourth Proportional to 1,319,966.80, 1,978,159.26 and 560,856.40

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Solution

The fourth proportional to 1,319,966.80, 1,978,159.26 and 560,856.40 is: 840,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,966.80 : 1,978,159.26 = 560,856.40 : x
  2. Step 2: Convert to fraction form
    1,319,966.80/1,978,159.26 = 560,856.40/x
  3. Step 3: Cross multiply
    1,319,966.80x = 1,978,159.26 × 560,856.40
  4. Step 4: Simplify right side
    1,319,966.80x = 1,109,463,281,190.26
  5. Step 5: Solve for x
    x = 1,109,463,281,190.26/1,319,966.80
  6. Step 6: Final answer
    x = 840,523.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.