Home / 389,270.17-537,192.93-219,504.34

Finding the Fourth Proportional to 389,270.17, 537,192.93 and 219,504.34

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Solution

The fourth proportional to 389,270.17, 537,192.93 and 219,504.34 is: 302,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,270.17 : 537,192.93 = 219,504.34 : x
  2. Step 2: Convert to fraction form
    389,270.17/537,192.93 = 219,504.34/x
  3. Step 3: Cross multiply
    389,270.17x = 537,192.93 × 219,504.34
  4. Step 4: Simplify right side
    389,270.17x = 117,916,179,552.32
  5. Step 5: Solve for x
    x = 117,916,179,552.32/389,270.17
  6. Step 6: Final answer
    x = 302,916.04

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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.