Home / 1,039,966.75-1,560,081.35-356,986.70

Finding the Fourth Proportional to 1,039,966.75, 1,560,081.35 and 356,986.70

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Solution

The fourth proportional to 1,039,966.75, 1,560,081.35 and 356,986.70 is: 535,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,966.75 : 1,560,081.35 = 356,986.70 : x
  2. Step 2: Convert to fraction form
    1,039,966.75/1,560,081.35 = 356,986.70/x
  3. Step 3: Cross multiply
    1,039,966.75x = 1,560,081.35 × 356,986.70
  4. Step 4: Simplify right side
    1,039,966.75x = 556,928,292,868.05
  5. Step 5: Solve for x
    x = 556,928,292,868.05/1,039,966.75
  6. Step 6: Final answer
    x = 535,525.10

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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.