Home / 501,534.28-692,111.10-275,179.60

Finding the Fourth Proportional to 501,534.28, 692,111.10 and 275,179.60

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Solution

The fourth proportional to 501,534.28, 692,111.10 and 275,179.60 is: 379,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,534.28 : 692,111.10 = 275,179.60 : x
  2. Step 2: Convert to fraction form
    501,534.28/692,111.10 = 275,179.60/x
  3. Step 3: Cross multiply
    501,534.28x = 692,111.10 × 275,179.60
  4. Step 4: Simplify right side
    501,534.28x = 190,454,855,653.56
  5. Step 5: Solve for x
    x = 190,454,855,653.56/501,534.28
  6. Step 6: Final answer
    x = 379,744.44

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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.