Home / 382,976.04-528,496.61-213,210.18

Finding the Fourth Proportional to 382,976.04, 528,496.61 and 213,210.18

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Solution

The fourth proportional to 382,976.04, 528,496.61 and 213,210.18 is: 294,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,976.04 : 528,496.61 = 213,210.18 : x
  2. Step 2: Convert to fraction form
    382,976.04/528,496.61 = 213,210.18/x
  3. Step 3: Cross multiply
    382,976.04x = 528,496.61 × 213,210.18
  4. Step 4: Simplify right side
    382,976.04x = 112,680,857,347.49
  5. Step 5: Solve for x
    x = 112,680,857,347.49/382,976.04
  6. Step 6: Final answer
    x = 294,224.30

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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.