Home / 382,927.19-528,435.07-210,841.58

Finding the Fourth Proportional to 382,927.19, 528,435.07 and 210,841.58

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Solution

The fourth proportional to 382,927.19, 528,435.07 and 210,841.58 is: 290,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,927.19 : 528,435.07 = 210,841.58 : x
  2. Step 2: Convert to fraction form
    382,927.19/528,435.07 = 210,841.58/x
  3. Step 3: Cross multiply
    382,927.19x = 528,435.07 × 210,841.58
  4. Step 4: Simplify right side
    382,927.19x = 111,416,081,916.93
  5. Step 5: Solve for x
    x = 111,416,081,916.93/382,927.19
  6. Step 6: Final answer
    x = 290,958.92

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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.