Home / 696,364.24-961,401.81-455,050.66

Finding the Fourth Proportional to 696,364.24, 961,401.81 and 455,050.66

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Solution

The fourth proportional to 696,364.24, 961,401.81 and 455,050.66 is: 628,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,364.24 : 961,401.81 = 455,050.66 : x
  2. Step 2: Convert to fraction form
    696,364.24/961,401.81 = 455,050.66/x
  3. Step 3: Cross multiply
    696,364.24x = 961,401.81 × 455,050.66
  4. Step 4: Simplify right side
    696,364.24x = 437,486,528,165.70
  5. Step 5: Solve for x
    x = 437,486,528,165.70/696,364.24
  6. Step 6: Final answer
    x = 628,243.82

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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.