Home / 448,575.27-619,016.48-255,008.35

Finding the Fourth Proportional to 448,575.27, 619,016.48 and 255,008.35

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Solution

The fourth proportional to 448,575.27, 619,016.48 and 255,008.35 is: 351,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,575.27 : 619,016.48 = 255,008.35 : x
  2. Step 2: Convert to fraction form
    448,575.27/619,016.48 = 255,008.35/x
  3. Step 3: Cross multiply
    448,575.27x = 619,016.48 × 255,008.35
  4. Step 4: Simplify right side
    448,575.27x = 157,854,371,642.62
  5. Step 5: Solve for x
    x = 157,854,371,642.62/448,575.27
  6. Step 6: Final answer
    x = 351,901.64

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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.