Home / 696,666.15-961,409.25-521,926.74

Finding the Fourth Proportional to 696,666.15, 961,409.25 and 521,926.74

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Solution

The fourth proportional to 696,666.15, 961,409.25 and 521,926.74 is: 720,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,666.15 : 961,409.25 = 521,926.74 : x
  2. Step 2: Convert to fraction form
    696,666.15/961,409.25 = 521,926.74/x
  3. Step 3: Cross multiply
    696,666.15x = 961,409.25 × 521,926.74
  4. Step 4: Simplify right side
    696,666.15x = 501,785,195,658.35
  5. Step 5: Solve for x
    x = 501,785,195,658.35/696,666.15
  6. Step 6: Final answer
    x = 720,266.37

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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.