Home / 385,905.24-532,256.36-338,075.56

Finding the Fourth Proportional to 385,905.24, 532,256.36 and 338,075.56

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Solution

The fourth proportional to 385,905.24, 532,256.36 and 338,075.56 is: 466,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,905.24 : 532,256.36 = 338,075.56 : x
  2. Step 2: Convert to fraction form
    385,905.24/532,256.36 = 338,075.56/x
  3. Step 3: Cross multiply
    385,905.24x = 532,256.36 × 338,075.56
  4. Step 4: Simplify right side
    385,905.24x = 179,942,866,970.56
  5. Step 5: Solve for x
    x = 179,942,866,970.56/385,905.24
  6. Step 6: Final answer
    x = 466,287.70

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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.