Home / 559,942.41-839,913.38-139,218.28

Finding the Fourth Proportional to 559,942.41, 839,913.38 and 139,218.28

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Solution

The fourth proportional to 559,942.41, 839,913.38 and 139,218.28 is: 208,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,942.41 : 839,913.38 = 139,218.28 : x
  2. Step 2: Convert to fraction form
    559,942.41/839,913.38 = 139,218.28/x
  3. Step 3: Cross multiply
    559,942.41x = 839,913.38 × 139,218.28
  4. Step 4: Simplify right side
    559,942.41x = 116,931,296,112.59
  5. Step 5: Solve for x
    x = 116,931,296,112.59/559,942.41
  6. Step 6: Final answer
    x = 208,827.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.