Home / 340,619.58-470,055.15-197,462.61

Finding the Fourth Proportional to 340,619.58, 470,055.15 and 197,462.61

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Solution

The fourth proportional to 340,619.58, 470,055.15 and 197,462.61 is: 272,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,619.58 : 470,055.15 = 197,462.61 : x
  2. Step 2: Convert to fraction form
    340,619.58/470,055.15 = 197,462.61/x
  3. Step 3: Cross multiply
    340,619.58x = 470,055.15 × 197,462.61
  4. Step 4: Simplify right side
    340,619.58x = 92,818,316,762.94
  5. Step 5: Solve for x
    x = 92,818,316,762.94/340,619.58
  6. Step 6: Final answer
    x = 272,498.48

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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.