Home / 1,426,974.28-2,140,681.98-480,270.76

Finding the Fourth Proportional to 1,426,974.28, 2,140,681.98 and 480,270.76

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Solution

The fourth proportional to 1,426,974.28, 2,140,681.98 and 480,270.76 is: 720,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,974.28 : 2,140,681.98 = 480,270.76 : x
  2. Step 2: Convert to fraction form
    1,426,974.28/2,140,681.98 = 480,270.76/x
  3. Step 3: Cross multiply
    1,426,974.28x = 2,140,681.98 × 480,270.76
  4. Step 4: Simplify right side
    1,426,974.28x = 1,028,106,961,452.90
  5. Step 5: Solve for x
    x = 1,028,106,961,452.90/1,426,974.28
  6. Step 6: Final answer
    x = 720,480.37

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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.