Home / 1,225,647.46-1,838,766.64-384,199.21

Finding the Fourth Proportional to 1,225,647.46, 1,838,766.64 and 384,199.21

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Solution

The fourth proportional to 1,225,647.46, 1,838,766.64 and 384,199.21 is: 576,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,647.46 : 1,838,766.64 = 384,199.21 : x
  2. Step 2: Convert to fraction form
    1,225,647.46/1,838,766.64 = 384,199.21/x
  3. Step 3: Cross multiply
    1,225,647.46x = 1,838,766.64 × 384,199.21
  4. Step 4: Simplify right side
    1,225,647.46x = 706,452,690,462.35
  5. Step 5: Solve for x
    x = 706,452,690,462.35/1,225,647.46
  6. Step 6: Final answer
    x = 576,391.43

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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.