Home / 1,974,403.56-2,961,605.36-478,495.56

Finding the Fourth Proportional to 1,974,403.56, 2,961,605.36 and 478,495.56

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Solution

The fourth proportional to 1,974,403.56, 2,961,605.36 and 478,495.56 is: 717,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,403.56 : 2,961,605.36 = 478,495.56 : x
  2. Step 2: Convert to fraction form
    1,974,403.56/2,961,605.36 = 478,495.56/x
  3. Step 3: Cross multiply
    1,974,403.56x = 2,961,605.36 × 478,495.56
  4. Step 4: Simplify right side
    1,974,403.56x = 1,417,115,015,232.20
  5. Step 5: Solve for x
    x = 1,417,115,015,232.20/1,974,403.56
  6. Step 6: Final answer
    x = 717,743.34

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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.