Home / 439,803.23-606,553.39-338,075.15

Finding the Fourth Proportional to 439,803.23, 606,553.39 and 338,075.15

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Solution

The fourth proportional to 439,803.23, 606,553.39 and 338,075.15 is: 466,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,803.23 : 606,553.39 = 338,075.15 : x
  2. Step 2: Convert to fraction form
    439,803.23/606,553.39 = 338,075.15/x
  3. Step 3: Cross multiply
    439,803.23x = 606,553.39 × 338,075.15
  4. Step 4: Simplify right side
    439,803.23x = 205,060,628,307.26
  5. Step 5: Solve for x
    x = 205,060,628,307.26/439,803.23
  6. Step 6: Final answer
    x = 466,255.39

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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.