Home / 1,505,560.15-2,077,674.99-817,231.57

Finding the Fourth Proportional to 1,505,560.15, 2,077,674.99 and 817,231.57

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Solution

The fourth proportional to 1,505,560.15, 2,077,674.99 and 817,231.57 is: 1,127,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,560.15 : 2,077,674.99 = 817,231.57 : x
  2. Step 2: Convert to fraction form
    1,505,560.15/2,077,674.99 = 817,231.57/x
  3. Step 3: Cross multiply
    1,505,560.15x = 2,077,674.99 × 817,231.57
  4. Step 4: Simplify right side
    1,505,560.15x = 1,697,941,583,639.06
  5. Step 5: Solve for x
    x = 1,697,941,583,639.06/1,505,560.15
  6. Step 6: Final answer
    x = 1,127,780.64

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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.