Home / 740,963.28-1,022,534.24-401,431.53

Finding the Fourth Proportional to 740,963.28, 1,022,534.24 and 401,431.53

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Solution

The fourth proportional to 740,963.28, 1,022,534.24 and 401,431.53 is: 553,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,963.28 : 1,022,534.24 = 401,431.53 : x
  2. Step 2: Convert to fraction form
    740,963.28/1,022,534.24 = 401,431.53/x
  3. Step 3: Cross multiply
    740,963.28x = 1,022,534.24 × 401,431.53
  4. Step 4: Simplify right side
    740,963.28x = 410,477,484,440.59
  5. Step 5: Solve for x
    x = 410,477,484,440.59/740,963.28
  6. Step 6: Final answer
    x = 553,978.17

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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.