Home / 377,544.16-521,014.62-207,782.20

Finding the Fourth Proportional to 377,544.16, 521,014.62 and 207,782.20

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Solution

The fourth proportional to 377,544.16, 521,014.62 and 207,782.20 is: 286,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,544.16 : 521,014.62 = 207,782.20 : x
  2. Step 2: Convert to fraction form
    377,544.16/521,014.62 = 207,782.20/x
  3. Step 3: Cross multiply
    377,544.16x = 521,014.62 × 207,782.20
  4. Step 4: Simplify right side
    377,544.16x = 108,257,563,975.76
  5. Step 5: Solve for x
    x = 108,257,563,975.76/377,544.16
  6. Step 6: Final answer
    x = 286,741.46

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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.