Home / 448,785.52-619,323.98-247,581.52

Finding the Fourth Proportional to 448,785.52, 619,323.98 and 247,581.52

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Solution

The fourth proportional to 448,785.52, 619,323.98 and 247,581.52 is: 341,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,785.52 : 619,323.98 = 247,581.52 : x
  2. Step 2: Convert to fraction form
    448,785.52/619,323.98 = 247,581.52/x
  3. Step 3: Cross multiply
    448,785.52x = 619,323.98 × 247,581.52
  4. Step 4: Simplify right side
    448,785.52x = 153,333,172,340.85
  5. Step 5: Solve for x
    x = 153,333,172,340.85/448,785.52
  6. Step 6: Final answer
    x = 341,662.48

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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.