Home / 933,300.49-1,287,956.79-519,833.95

Finding the Fourth Proportional to 933,300.49, 1,287,956.79 and 519,833.95

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Solution

The fourth proportional to 933,300.49, 1,287,956.79 and 519,833.95 is: 717,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,300.49 : 1,287,956.79 = 519,833.95 : x
  2. Step 2: Convert to fraction form
    933,300.49/1,287,956.79 = 519,833.95/x
  3. Step 3: Cross multiply
    933,300.49x = 1,287,956.79 × 519,833.95
  4. Step 4: Simplify right side
    933,300.49x = 669,523,665,575.02
  5. Step 5: Solve for x
    x = 669,523,665,575.02/933,300.49
  6. Step 6: Final answer
    x = 717,372.03

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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.