Home / 1,022,887.53-1,534,275.64-312,915.57

Finding the Fourth Proportional to 1,022,887.53, 1,534,275.64 and 312,915.57

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Solution

The fourth proportional to 1,022,887.53, 1,534,275.64 and 312,915.57 is: 469,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,887.53 : 1,534,275.64 = 312,915.57 : x
  2. Step 2: Convert to fraction form
    1,022,887.53/1,534,275.64 = 312,915.57/x
  3. Step 3: Cross multiply
    1,022,887.53x = 1,534,275.64 × 312,915.57
  4. Step 4: Simplify right side
    1,022,887.53x = 480,098,731,065.33
  5. Step 5: Solve for x
    x = 480,098,731,065.33/1,022,887.53
  6. Step 6: Final answer
    x = 469,356.32

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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.