Home / 1,286,683.52-1,929,464.54-433,596.20

Finding the Fourth Proportional to 1,286,683.52, 1,929,464.54 and 433,596.20

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Solution

The fourth proportional to 1,286,683.52, 1,929,464.54 and 433,596.20 is: 650,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,683.52 : 1,929,464.54 = 433,596.20 : x
  2. Step 2: Convert to fraction form
    1,286,683.52/1,929,464.54 = 433,596.20/x
  3. Step 3: Cross multiply
    1,286,683.52x = 1,929,464.54 × 433,596.20
  4. Step 4: Simplify right side
    1,286,683.52x = 836,608,492,578.75
  5. Step 5: Solve for x
    x = 836,608,492,578.75/1,286,683.52
  6. Step 6: Final answer
    x = 650,205.34

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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.