Home / 696,363.24-961,400.43-455,049.66

Finding the Fourth Proportional to 696,363.24, 961,400.43 and 455,049.66

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Solution

The fourth proportional to 696,363.24, 961,400.43 and 455,049.66 is: 628,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,363.24 : 961,400.43 = 455,049.66 : x
  2. Step 2: Convert to fraction form
    696,363.24/961,400.43 = 455,049.66/x
  3. Step 3: Cross multiply
    696,363.24x = 961,400.43 × 455,049.66
  4. Step 4: Simplify right side
    696,363.24x = 437,484,938,795.35
  5. Step 5: Solve for x
    x = 437,484,938,795.35/696,363.24
  6. Step 6: Final answer
    x = 628,242.44

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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.