Home / 696,922.83-961,851.81-406,630.17

Finding the Fourth Proportional to 696,922.83, 961,851.81 and 406,630.17

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Solution

The fourth proportional to 696,922.83, 961,851.81 and 406,630.17 is: 561,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,922.83 : 961,851.81 = 406,630.17 : x
  2. Step 2: Convert to fraction form
    696,922.83/961,851.81 = 406,630.17/x
  3. Step 3: Cross multiply
    696,922.83x = 961,851.81 × 406,630.17
  4. Step 4: Simplify right side
    696,922.83x = 391,117,965,015.11
  5. Step 5: Solve for x
    x = 391,117,965,015.11/696,922.83
  6. Step 6: Final answer
    x = 561,206.99

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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.