Home / 448,135.12-618,423.42-246,931.12

Finding the Fourth Proportional to 448,135.12, 618,423.42 and 246,931.12

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Solution

The fourth proportional to 448,135.12, 618,423.42 and 246,931.12 is: 340,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,135.12 : 618,423.42 = 246,931.12 : x
  2. Step 2: Convert to fraction form
    448,135.12/618,423.42 = 246,931.12/x
  3. Step 3: Cross multiply
    448,135.12x = 618,423.42 × 246,931.12
  4. Step 4: Simplify right side
    448,135.12x = 152,707,987,734.83
  5. Step 5: Solve for x
    x = 152,707,987,734.83/448,135.12
  6. Step 6: Final answer
    x = 340,763.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.