Home / 829,296.15-1,144,781.79-557,521.67

Finding the Fourth Proportional to 829,296.15, 1,144,781.79 and 557,521.67

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Solution

The fourth proportional to 829,296.15, 1,144,781.79 and 557,521.67 is: 769,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,296.15 : 1,144,781.79 = 557,521.67 : x
  2. Step 2: Convert to fraction form
    829,296.15/1,144,781.79 = 557,521.67/x
  3. Step 3: Cross multiply
    829,296.15x = 1,144,781.79 × 557,521.67
  4. Step 4: Simplify right side
    829,296.15x = 638,240,649,622.48
  5. Step 5: Solve for x
    x = 638,240,649,622.48/829,296.15
  6. Step 6: Final answer
    x = 769,617.28

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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.