Home / 939,479.24-1,296,817.56-557,505.98

Finding the Fourth Proportional to 939,479.24, 1,296,817.56 and 557,505.98

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Solution

The fourth proportional to 939,479.24, 1,296,817.56 and 557,505.98 is: 769,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,479.24 : 1,296,817.56 = 557,505.98 : x
  2. Step 2: Convert to fraction form
    939,479.24/1,296,817.56 = 557,505.98/x
  3. Step 3: Cross multiply
    939,479.24x = 1,296,817.56 × 557,505.98
  4. Step 4: Simplify right side
    939,479.24x = 722,983,544,669.01
  5. Step 5: Solve for x
    x = 722,983,544,669.01/939,479.24
  6. Step 6: Final answer
    x = 769,557.77

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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.