Home / 413,922.03-571,646.10-285,195.21

Finding the Fourth Proportional to 413,922.03, 571,646.10 and 285,195.21

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Solution

The fourth proportional to 413,922.03, 571,646.10 and 285,195.21 is: 393,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,922.03 : 571,646.10 = 285,195.21 : x
  2. Step 2: Convert to fraction form
    413,922.03/571,646.10 = 285,195.21/x
  3. Step 3: Cross multiply
    413,922.03x = 571,646.10 × 285,195.21
  4. Step 4: Simplify right side
    413,922.03x = 163,030,729,535.18
  5. Step 5: Solve for x
    x = 163,030,729,535.18/413,922.03
  6. Step 6: Final answer
    x = 393,868.21

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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.