Home / 829,294.65-1,144,779.72-557,520.17

Finding the Fourth Proportional to 829,294.65, 1,144,779.72 and 557,520.17

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Solution

The fourth proportional to 829,294.65, 1,144,779.72 and 557,520.17 is: 769,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,294.65 : 1,144,779.72 = 557,520.17 : x
  2. Step 2: Convert to fraction form
    829,294.65/1,144,779.72 = 557,520.17/x
  3. Step 3: Cross multiply
    829,294.65x = 1,144,779.72 × 557,520.17
  4. Step 4: Simplify right side
    829,294.65x = 638,237,778,383.05
  5. Step 5: Solve for x
    x = 638,237,778,383.05/829,294.65
  6. Step 6: Final answer
    x = 769,615.21

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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.