Home / 708,313.73-977,444.42-386,016.89

Finding the Fourth Proportional to 708,313.73, 977,444.42 and 386,016.89

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Solution

The fourth proportional to 708,313.73, 977,444.42 and 386,016.89 is: 532,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,313.73 : 977,444.42 = 386,016.89 : x
  2. Step 2: Convert to fraction form
    708,313.73/977,444.42 = 386,016.89/x
  3. Step 3: Cross multiply
    708,313.73x = 977,444.42 × 386,016.89
  4. Step 4: Simplify right side
    708,313.73x = 377,310,048,338.95
  5. Step 5: Solve for x
    x = 377,310,048,338.95/708,313.73
  6. Step 6: Final answer
    x = 532,687.76

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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.