Home / 382,567.30-528,044.25-269,440.90

Finding the Fourth Proportional to 382,567.30, 528,044.25 and 269,440.90

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Solution

The fourth proportional to 382,567.30, 528,044.25 and 269,440.90 is: 371,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,567.30 : 528,044.25 = 269,440.90 : x
  2. Step 2: Convert to fraction form
    382,567.30/528,044.25 = 269,440.90/x
  3. Step 3: Cross multiply
    382,567.30x = 528,044.25 × 269,440.90
  4. Step 4: Simplify right side
    382,567.30x = 142,276,717,959.83
  5. Step 5: Solve for x
    x = 142,276,717,959.83/382,567.30
  6. Step 6: Final answer
    x = 371,899.84

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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.