Home / 642,056.70-962,393.85-242,543.10

Finding the Fourth Proportional to 642,056.70, 962,393.85 and 242,543.10

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Solution

The fourth proportional to 642,056.70, 962,393.85 and 242,543.10 is: 363,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,056.70 : 962,393.85 = 242,543.10 : x
  2. Step 2: Convert to fraction form
    642,056.70/962,393.85 = 242,543.10/x
  3. Step 3: Cross multiply
    642,056.70x = 962,393.85 × 242,543.10
  4. Step 4: Simplify right side
    642,056.70x = 233,421,987,799.94
  5. Step 5: Solve for x
    x = 233,421,987,799.94/642,056.70
  6. Step 6: Final answer
    x = 363,553.54

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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.