Home / 1,134,923.32-1,566,204.78-625,643.92

Finding the Fourth Proportional to 1,134,923.32, 1,566,204.78 and 625,643.92

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Solution

The fourth proportional to 1,134,923.32, 1,566,204.78 and 625,643.92 is: 863,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,923.32 : 1,566,204.78 = 625,643.92 : x
  2. Step 2: Convert to fraction form
    1,134,923.32/1,566,204.78 = 625,643.92/x
  3. Step 3: Cross multiply
    1,134,923.32x = 1,566,204.78 × 625,643.92
  4. Step 4: Simplify right side
    1,134,923.32x = 979,886,498,081.94
  5. Step 5: Solve for x
    x = 979,886,498,081.94/1,134,923.32
  6. Step 6: Final answer
    x = 863,394.45

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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.