Home / 829,294.57-1,144,779.61-557,520.09

Finding the Fourth Proportional to 829,294.57, 1,144,779.61 and 557,520.09

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Solution

The fourth proportional to 829,294.57, 1,144,779.61 and 557,520.09 is: 769,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,294.57 : 1,144,779.61 = 557,520.09 : x
  2. Step 2: Convert to fraction form
    829,294.57/1,144,779.61 = 557,520.09/x
  3. Step 3: Cross multiply
    829,294.57x = 1,144,779.61 × 557,520.09
  4. Step 4: Simplify right side
    829,294.57x = 638,237,625,473.47
  5. Step 5: Solve for x
    x = 638,237,625,473.47/829,294.57
  6. Step 6: Final answer
    x = 769,615.11

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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.