Home / 424,933.20-637,399.80-292,222.80

Finding the Fourth Proportional to 424,933.20, 637,399.80 and 292,222.80

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Solution

The fourth proportional to 424,933.20, 637,399.80 and 292,222.80 is: 438,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,933.20 : 637,399.80 = 292,222.80 : x
  2. Step 2: Convert to fraction form
    424,933.20/637,399.80 = 292,222.80/x
  3. Step 3: Cross multiply
    424,933.20x = 637,399.80 × 292,222.80
  4. Step 4: Simplify right side
    424,933.20x = 186,262,754,275.44
  5. Step 5: Solve for x
    x = 186,262,754,275.44/424,933.20
  6. Step 6: Final answer
    x = 438,334.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.