Home / 774,439.38-1,068,296.04-719,639.24

Finding the Fourth Proportional to 774,439.38, 1,068,296.04 and 719,639.24

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Solution

The fourth proportional to 774,439.38, 1,068,296.04 and 719,639.24 is: 992,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,439.38 : 1,068,296.04 = 719,639.24 : x
  2. Step 2: Convert to fraction form
    774,439.38/1,068,296.04 = 719,639.24/x
  3. Step 3: Cross multiply
    774,439.38x = 1,068,296.04 × 719,639.24
  4. Step 4: Simplify right side
    774,439.38x = 768,787,744,979.13
  5. Step 5: Solve for x
    x = 768,787,744,979.13/774,439.38
  6. Step 6: Final answer
    x = 992,702.29

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1.5x scale

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.