Home / 708,471.11-977,700.38-386,181.27

Finding the Fourth Proportional to 708,471.11, 977,700.38 and 386,181.27

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Solution

The fourth proportional to 708,471.11, 977,700.38 and 386,181.27 is: 532,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,471.11 : 977,700.38 = 386,181.27 : x
  2. Step 2: Convert to fraction form
    708,471.11/977,700.38 = 386,181.27/x
  3. Step 3: Cross multiply
    708,471.11x = 977,700.38 × 386,181.27
  4. Step 4: Simplify right side
    708,471.11x = 377,569,574,427.88
  5. Step 5: Solve for x
    x = 377,569,574,427.88/708,471.11
  6. Step 6: Final answer
    x = 532,935.74

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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.