Home / 698,750.80-1,048,126.20-622,643.20

Finding the Fourth Proportional to 698,750.80, 1,048,126.20 and 622,643.20

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Solution

The fourth proportional to 698,750.80, 1,048,126.20 and 622,643.20 is: 933,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,750.80 : 1,048,126.20 = 622,643.20 : x
  2. Step 2: Convert to fraction form
    698,750.80/1,048,126.20 = 622,643.20/x
  3. Step 3: Cross multiply
    698,750.80x = 1,048,126.20 × 622,643.20
  4. Step 4: Simplify right side
    698,750.80x = 652,608,651,171.84
  5. Step 5: Solve for x
    x = 652,608,651,171.84/698,750.80
  6. Step 6: Final answer
    x = 933,964.80

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1.5x scale

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.