Home / 698,721.80-1,048,082.70-622,614.20

Finding the Fourth Proportional to 698,721.80, 1,048,082.70 and 622,614.20

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Solution

The fourth proportional to 698,721.80, 1,048,082.70 and 622,614.20 is: 933,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,721.80 : 1,048,082.70 = 622,614.20 : x
  2. Step 2: Convert to fraction form
    698,721.80/1,048,082.70 = 622,614.20/x
  3. Step 3: Cross multiply
    698,721.80x = 1,048,082.70 × 622,614.20
  4. Step 4: Simplify right side
    698,721.80x = 652,551,171,794.34
  5. Step 5: Solve for x
    x = 652,551,171,794.34/698,721.80
  6. Step 6: Final answer
    x = 933,921.30

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Double scale
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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.