Home / 919,904.90-1,377,232.95-814,928.90

Finding the Fourth Proportional to 919,904.90, 1,377,232.95 and 814,928.90

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Solution

The fourth proportional to 919,904.90, 1,377,232.95 and 814,928.90 is: 1,220,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,904.90 : 1,377,232.95 = 814,928.90 : x
  2. Step 2: Convert to fraction form
    919,904.90/1,377,232.95 = 814,928.90/x
  3. Step 3: Cross multiply
    919,904.90x = 1,377,232.95 × 814,928.90
  4. Step 4: Simplify right side
    919,904.90x = 1,122,346,932,987.25
  5. Step 5: Solve for x
    x = 1,122,346,932,987.25/919,904.90
  6. Step 6: Final answer
    x = 1,220,068.44

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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.