Home / 1,792,054.88-2,688,213.60-712,989.12

Finding the Fourth Proportional to 1,792,054.88, 2,688,213.60 and 712,989.12

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Solution

The fourth proportional to 1,792,054.88, 2,688,213.60 and 712,989.12 is: 1,069,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,054.88 : 2,688,213.60 = 712,989.12 : x
  2. Step 2: Convert to fraction form
    1,792,054.88/2,688,213.60 = 712,989.12/x
  3. Step 3: Cross multiply
    1,792,054.88x = 2,688,213.60 × 712,989.12
  4. Step 4: Simplify right side
    1,792,054.88x = 1,916,667,049,036.03
  5. Step 5: Solve for x
    x = 1,916,667,049,036.03/1,792,054.88
  6. Step 6: Final answer
    x = 1,069,535.91

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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.