Home / 424,780.98-584,934.12-415,352.58

Finding the Fourth Proportional to 424,780.98, 584,934.12 and 415,352.58

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Solution

The fourth proportional to 424,780.98, 584,934.12 and 415,352.58 is: 571,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,780.98 : 584,934.12 = 415,352.58 : x
  2. Step 2: Convert to fraction form
    424,780.98/584,934.12 = 415,352.58/x
  3. Step 3: Cross multiply
    424,780.98x = 584,934.12 × 415,352.58
  4. Step 4: Simplify right side
    424,780.98x = 242,953,895,872.03
  5. Step 5: Solve for x
    x = 242,953,895,872.03/424,780.98
  6. Step 6: Final answer
    x = 571,950.98

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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.