Home / 933,134.41-1,287,643.34-519,639.95

Finding the Fourth Proportional to 933,134.41, 1,287,643.34 and 519,639.95

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Solution

The fourth proportional to 933,134.41, 1,287,643.34 and 519,639.95 is: 717,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,134.41 : 1,287,643.34 = 519,639.95 : x
  2. Step 2: Convert to fraction form
    933,134.41/1,287,643.34 = 519,639.95/x
  3. Step 3: Cross multiply
    933,134.41x = 1,287,643.34 × 519,639.95
  4. Step 4: Simplify right side
    933,134.41x = 669,110,920,815.43
  5. Step 5: Solve for x
    x = 669,110,920,815.43/933,134.41
  6. Step 6: Final answer
    x = 717,057.39

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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.