Home / 708,365.82-977,516.46-386,069.16

Finding the Fourth Proportional to 708,365.82, 977,516.46 and 386,069.16

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Solution

The fourth proportional to 708,365.82, 977,516.46 and 386,069.16 is: 532,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,365.82 : 977,516.46 = 386,069.16 : x
  2. Step 2: Convert to fraction form
    708,365.82/977,516.46 = 386,069.16/x
  3. Step 3: Cross multiply
    708,365.82x = 977,516.46 × 386,069.16
  4. Step 4: Simplify right side
    708,365.82x = 377,388,958,598.37
  5. Step 5: Solve for x
    x = 377,388,958,598.37/708,365.82
  6. Step 6: Final answer
    x = 532,759.98

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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.