Home / 1,022,887.83-1,534,276.08-312,915.87

Finding the Fourth Proportional to 1,022,887.83, 1,534,276.08 and 312,915.87

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Solution

The fourth proportional to 1,022,887.83, 1,534,276.08 and 312,915.87 is: 469,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,887.83 : 1,534,276.08 = 312,915.87 : x
  2. Step 2: Convert to fraction form
    1,022,887.83/1,534,276.08 = 312,915.87/x
  3. Step 3: Cross multiply
    1,022,887.83x = 1,534,276.08 × 312,915.87
  4. Step 4: Simplify right side
    1,022,887.83x = 480,099,334,393.39
  5. Step 5: Solve for x
    x = 480,099,334,393.39/1,022,887.83
  6. Step 6: Final answer
    x = 469,356.78

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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.