Home / 949,335.15-1,310,071.41-513,742.40

Finding the Fourth Proportional to 949,335.15, 1,310,071.41 and 513,742.40

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Solution

The fourth proportional to 949,335.15, 1,310,071.41 and 513,742.40 is: 708,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,335.15 : 1,310,071.41 = 513,742.40 : x
  2. Step 2: Convert to fraction form
    949,335.15/1,310,071.41 = 513,742.40/x
  3. Step 3: Cross multiply
    949,335.15x = 1,310,071.41 × 513,742.40
  4. Step 4: Simplify right side
    949,335.15x = 673,039,223,794.43
  5. Step 5: Solve for x
    x = 673,039,223,794.43/949,335.15
  6. Step 6: Final answer
    x = 708,958.50

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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.