Home / 939,940.20-1,409,910.30-584,771.40

Finding the Fourth Proportional to 939,940.20, 1,409,910.30 and 584,771.40

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Solution

The fourth proportional to 939,940.20, 1,409,910.30 and 584,771.40 is: 877,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,940.20 : 1,409,910.30 = 584,771.40 : x
  2. Step 2: Convert to fraction form
    939,940.20/1,409,910.30 = 584,771.40/x
  3. Step 3: Cross multiply
    939,940.20x = 1,409,910.30 × 584,771.40
  4. Step 4: Simplify right side
    939,940.20x = 824,475,220,005.42
  5. Step 5: Solve for x
    x = 824,475,220,005.42/939,940.20
  6. Step 6: Final answer
    x = 877,157.10

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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.