Home / 382,864.68-528,353.28-213,095.16

Finding the Fourth Proportional to 382,864.68, 528,353.28 and 213,095.16

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Solution

The fourth proportional to 382,864.68, 528,353.28 and 213,095.16 is: 294,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,864.68 : 528,353.28 = 213,095.16 : x
  2. Step 2: Convert to fraction form
    382,864.68/528,353.28 = 213,095.16/x
  3. Step 3: Cross multiply
    382,864.68x = 528,353.28 × 213,095.16
  4. Step 4: Simplify right side
    382,864.68x = 112,589,526,738.13
  5. Step 5: Solve for x
    x = 112,589,526,738.13/382,864.68
  6. Step 6: Final answer
    x = 294,071.33

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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.