Home / 384,836.06-531,090.17-215,070.19

Finding the Fourth Proportional to 384,836.06, 531,090.17 and 215,070.19

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Solution

The fourth proportional to 384,836.06, 531,090.17 and 215,070.19 is: 296,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,836.06 : 531,090.17 = 215,070.19 : x
  2. Step 2: Convert to fraction form
    384,836.06/531,090.17 = 215,070.19/x
  3. Step 3: Cross multiply
    384,836.06x = 531,090.17 × 215,070.19
  4. Step 4: Simplify right side
    384,836.06x = 114,221,662,172.47
  5. Step 5: Solve for x
    x = 114,221,662,172.47/384,836.06
  6. Step 6: Final answer
    x = 296,806.03

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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.