Home / 696,669.86-961,311.35-386,567.30

Finding the Fourth Proportional to 696,669.86, 961,311.35 and 386,567.30

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Solution

The fourth proportional to 696,669.86, 961,311.35 and 386,567.30 is: 533,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,669.86 : 961,311.35 = 386,567.30 : x
  2. Step 2: Convert to fraction form
    696,669.86/961,311.35 = 386,567.30/x
  3. Step 3: Cross multiply
    696,669.86x = 961,311.35 × 386,567.30
  4. Step 4: Simplify right side
    696,669.86x = 371,611,529,188.72
  5. Step 5: Solve for x
    x = 371,611,529,188.72/696,669.86
  6. Step 6: Final answer
    x = 533,411.24

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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.