Home / 1,585,168.45-2,187,544.86-931,619.00

Finding the Fourth Proportional to 1,585,168.45, 2,187,544.86 and 931,619.00

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Solution

The fourth proportional to 1,585,168.45, 2,187,544.86 and 931,619.00 is: 1,285,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,168.45 : 2,187,544.86 = 931,619.00 : x
  2. Step 2: Convert to fraction form
    1,585,168.45/2,187,544.86 = 931,619.00/x
  3. Step 3: Cross multiply
    1,585,168.45x = 2,187,544.86 × 931,619.00
  4. Step 4: Simplify right side
    1,585,168.45x = 2,037,958,360,397.20
  5. Step 5: Solve for x
    x = 2,037,958,360,397.20/1,585,168.45
  6. Step 6: Final answer
    x = 1,285,641.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.