Home / 939,011.88-1,295,865.72-531,105.74

Finding the Fourth Proportional to 939,011.88, 1,295,865.72 and 531,105.74

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Solution

The fourth proportional to 939,011.88, 1,295,865.72 and 531,105.74 is: 732,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,011.88 : 1,295,865.72 = 531,105.74 : x
  2. Step 2: Convert to fraction form
    939,011.88/1,295,865.72 = 531,105.74/x
  3. Step 3: Cross multiply
    939,011.88x = 1,295,865.72 × 531,105.74
  4. Step 4: Simplify right side
    939,011.88x = 688,241,715,681.90
  5. Step 5: Solve for x
    x = 688,241,715,681.90/939,011.88
  6. Step 6: Final answer
    x = 732,942.50

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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.