Home / 696,700.86-961,455.06-386,608.83

Finding the Fourth Proportional to 696,700.86, 961,455.06 and 386,608.83

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Solution

The fourth proportional to 696,700.86, 961,455.06 and 386,608.83 is: 533,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,700.86 : 961,455.06 = 386,608.83 : x
  2. Step 2: Convert to fraction form
    696,700.86/961,455.06 = 386,608.83/x
  3. Step 3: Cross multiply
    696,700.86x = 961,455.06 × 386,608.83
  4. Step 4: Simplify right side
    696,700.86x = 371,707,015,844.18
  5. Step 5: Solve for x
    x = 371,707,015,844.18/696,700.86
  6. Step 6: Final answer
    x = 533,524.55

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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.