Home / 340,628.83-470,045.10-197,363.32

Finding the Fourth Proportional to 340,628.83, 470,045.10 and 197,363.32

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Solution

The fourth proportional to 340,628.83, 470,045.10 and 197,363.32 is: 272,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,628.83 : 470,045.10 = 197,363.32 : x
  2. Step 2: Convert to fraction form
    340,628.83/470,045.10 = 197,363.32/x
  3. Step 3: Cross multiply
    340,628.83x = 470,045.10 × 197,363.32
  4. Step 4: Simplify right side
    340,628.83x = 92,769,661,485.73
  5. Step 5: Solve for x
    x = 92,769,661,485.73/340,628.83
  6. Step 6: Final answer
    x = 272,348.24

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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.