Home / 1,561,969.45-2,343,005.71-537,289.43

Finding the Fourth Proportional to 1,561,969.45, 2,343,005.71 and 537,289.43

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Solution

The fourth proportional to 1,561,969.45, 2,343,005.71 and 537,289.43 is: 805,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,969.45 : 2,343,005.71 = 537,289.43 : x
  2. Step 2: Convert to fraction form
    1,561,969.45/2,343,005.71 = 537,289.43/x
  3. Step 3: Cross multiply
    1,561,969.45x = 2,343,005.71 × 537,289.43
  4. Step 4: Simplify right side
    1,561,969.45x = 1,258,872,202,412.65
  5. Step 5: Solve for x
    x = 1,258,872,202,412.65/1,561,969.45
  6. Step 6: Final answer
    x = 805,951.87

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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.