Home / 698,602.20-964,031.67-412,214.55

Finding the Fourth Proportional to 698,602.20, 964,031.67 and 412,214.55

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Solution

The fourth proportional to 698,602.20, 964,031.67 and 412,214.55 is: 568,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,602.20 : 964,031.67 = 412,214.55 : x
  2. Step 2: Convert to fraction form
    698,602.20/964,031.67 = 412,214.55/x
  3. Step 3: Cross multiply
    698,602.20x = 964,031.67 × 412,214.55
  4. Step 4: Simplify right side
    698,602.20x = 397,387,881,034.80
  5. Step 5: Solve for x
    x = 397,387,881,034.80/698,602.20
  6. Step 6: Final answer
    x = 568,832.85

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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.