Home / 340,583.36-470,005.18-197,426.43

Finding the Fourth Proportional to 340,583.36, 470,005.18 and 197,426.43

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Solution

The fourth proportional to 340,583.36, 470,005.18 and 197,426.43 is: 272,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,583.36 : 470,005.18 = 197,426.43 : x
  2. Step 2: Convert to fraction form
    340,583.36/470,005.18 = 197,426.43/x
  3. Step 3: Cross multiply
    340,583.36x = 470,005.18 × 197,426.43
  4. Step 4: Simplify right side
    340,583.36x = 92,791,444,275.34
  5. Step 5: Solve for x
    x = 92,791,444,275.34/340,583.36
  6. Step 6: Final answer
    x = 272,448.56

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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.