Home / 1,252,975.08-1,729,104.90-709,101

Finding the Fourth Proportional to 1,252,975.08, 1,729,104.90 and 709,101

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Solution

The fourth proportional to 1,252,975.08, 1,729,104.90 and 709,101 is: 978,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,975.08 : 1,729,104.90 = 709,101 : x
  2. Step 2: Convert to fraction form
    1,252,975.08/1,729,104.90 = 709,101/x
  3. Step 3: Cross multiply
    1,252,975.08x = 1,729,104.90 × 709,101
  4. Step 4: Simplify right side
    1,252,975.08x = 1,226,110,013,694.90
  5. Step 5: Solve for x
    x = 1,226,110,013,694.90/1,252,975.08
  6. Step 6: Final answer
    x = 978,558.98

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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.