Home / 340,785.79-470,284.41-197,628.87

Finding the Fourth Proportional to 340,785.79, 470,284.41 and 197,628.87

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Solution

The fourth proportional to 340,785.79, 470,284.41 and 197,628.87 is: 272,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,785.79 : 470,284.41 = 197,628.87 : x
  2. Step 2: Convert to fraction form
    340,785.79/470,284.41 = 197,628.87/x
  3. Step 3: Cross multiply
    340,785.79x = 470,284.41 × 197,628.87
  4. Step 4: Simplify right side
    340,785.79x = 92,941,776,526.92
  5. Step 5: Solve for x
    x = 92,941,776,526.92/340,785.79
  6. Step 6: Final answer
    x = 272,727.85

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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.