Home / 1,114,600.53-1,538,148.63-631,165.56

Finding the Fourth Proportional to 1,114,600.53, 1,538,148.63 and 631,165.56

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Solution

The fourth proportional to 1,114,600.53, 1,538,148.63 and 631,165.56 is: 871,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,600.53 : 1,538,148.63 = 631,165.56 : x
  2. Step 2: Convert to fraction form
    1,114,600.53/1,538,148.63 = 631,165.56/x
  3. Step 3: Cross multiply
    1,114,600.53x = 1,538,148.63 × 631,165.56
  4. Step 4: Simplify right side
    1,114,600.53x = 970,826,441,417.18
  5. Step 5: Solve for x
    x = 970,826,441,417.18/1,114,600.53
  6. Step 6: Final answer
    x = 871,008.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.