Home / 837,975.91-1,257,088.93-388,742.19

Finding the Fourth Proportional to 837,975.91, 1,257,088.93 and 388,742.19

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Solution

The fourth proportional to 837,975.91, 1,257,088.93 and 388,742.19 is: 583,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,975.91 : 1,257,088.93 = 388,742.19 : x
  2. Step 2: Convert to fraction form
    837,975.91/1,257,088.93 = 388,742.19/x
  3. Step 3: Cross multiply
    837,975.91x = 1,257,088.93 × 388,742.19
  4. Step 4: Simplify right side
    837,975.91x = 488,683,503,672.96
  5. Step 5: Solve for x
    x = 488,683,503,672.96/837,975.91
  6. Step 6: Final answer
    x = 583,171.30

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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.