Home / 2,605,955.92-3,908,878.24-712,697.36

Finding the Fourth Proportional to 2,605,955.92, 3,908,878.24 and 712,697.36

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Solution

The fourth proportional to 2,605,955.92, 3,908,878.24 and 712,697.36 is: 1,069,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,955.92 : 3,908,878.24 = 712,697.36 : x
  2. Step 2: Convert to fraction form
    2,605,955.92/3,908,878.24 = 712,697.36/x
  3. Step 3: Cross multiply
    2,605,955.92x = 3,908,878.24 × 712,697.36
  4. Step 4: Simplify right side
    2,605,955.92x = 2,785,847,202,209.45
  5. Step 5: Solve for x
    x = 2,785,847,202,209.45/2,605,955.92
  6. Step 6: Final answer
    x = 1,069,030.82

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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.