Home / 837,857.39-1,255,200.35-495,275.18

Finding the Fourth Proportional to 837,857.39, 1,255,200.35 and 495,275.18

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Solution

The fourth proportional to 837,857.39, 1,255,200.35 and 495,275.18 is: 741,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,857.39 : 1,255,200.35 = 495,275.18 : x
  2. Step 2: Convert to fraction form
    837,857.39/1,255,200.35 = 495,275.18/x
  3. Step 3: Cross multiply
    837,857.39x = 1,255,200.35 × 495,275.18
  4. Step 4: Simplify right side
    837,857.39x = 621,669,570,529.94
  5. Step 5: Solve for x
    x = 621,669,570,529.94/837,857.39
  6. Step 6: Final answer
    x = 741,975.40

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1.5x scale

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.