Home / 454,986.20-683,040.90-286,506.20

Finding the Fourth Proportional to 454,986.20, 683,040.90 and 286,506.20

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Solution

The fourth proportional to 454,986.20, 683,040.90 and 286,506.20 is: 430,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,986.20 : 683,040.90 = 286,506.20 : x
  2. Step 2: Convert to fraction form
    454,986.20/683,040.90 = 286,506.20/x
  3. Step 3: Cross multiply
    454,986.20x = 683,040.90 × 286,506.20
  4. Step 4: Simplify right side
    454,986.20x = 195,695,452,703.58
  5. Step 5: Solve for x
    x = 195,695,452,703.58/454,986.20
  6. Step 6: Final answer
    x = 430,112.94

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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.