Home / 753,616.40-1,130,424.60-652,139.60

Finding the Fourth Proportional to 753,616.40, 1,130,424.60 and 652,139.60

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Solution

The fourth proportional to 753,616.40, 1,130,424.60 and 652,139.60 is: 978,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,616.40 : 1,130,424.60 = 652,139.60 : x
  2. Step 2: Convert to fraction form
    753,616.40/1,130,424.60 = 652,139.60/x
  3. Step 3: Cross multiply
    753,616.40x = 1,130,424.60 × 652,139.60
  4. Step 4: Simplify right side
    753,616.40x = 737,194,646,474.16
  5. Step 5: Solve for x
    x = 737,194,646,474.16/753,616.40
  6. Step 6: Final answer
    x = 978,209.40

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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.