Home / 382,458.24-527,783.04-221,290.92

Finding the Fourth Proportional to 382,458.24, 527,783.04 and 221,290.92

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Solution

The fourth proportional to 382,458.24, 527,783.04 and 221,290.92 is: 305,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,458.24 : 527,783.04 = 221,290.92 : x
  2. Step 2: Convert to fraction form
    382,458.24/527,783.04 = 221,290.92/x
  3. Step 3: Cross multiply
    382,458.24x = 527,783.04 × 221,290.92
  4. Step 4: Simplify right side
    382,458.24x = 116,793,594,482.00
  5. Step 5: Solve for x
    x = 116,793,594,482.00/382,458.24
  6. Step 6: Final answer
    x = 305,376.07

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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.