Home / 656,187.40-984,281.10-652,040.20

Finding the Fourth Proportional to 656,187.40, 984,281.10 and 652,040.20

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Solution

The fourth proportional to 656,187.40, 984,281.10 and 652,040.20 is: 978,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,187.40 : 984,281.10 = 652,040.20 : x
  2. Step 2: Convert to fraction form
    656,187.40/984,281.10 = 652,040.20/x
  3. Step 3: Cross multiply
    656,187.40x = 984,281.10 × 652,040.20
  4. Step 4: Simplify right side
    656,187.40x = 641,790,845,300.22
  5. Step 5: Solve for x
    x = 641,790,845,300.22/656,187.40
  6. Step 6: Final answer
    x = 978,060.30

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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.