Home / 673,840.35-929,873.06-367,929.61

Finding the Fourth Proportional to 673,840.35, 929,873.06 and 367,929.61

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Solution

The fourth proportional to 673,840.35, 929,873.06 and 367,929.61 is: 507,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,840.35 : 929,873.06 = 367,929.61 : x
  2. Step 2: Convert to fraction form
    673,840.35/929,873.06 = 367,929.61/x
  3. Step 3: Cross multiply
    673,840.35x = 929,873.06 × 367,929.61
  4. Step 4: Simplify right side
    673,840.35x = 342,127,827,665.94
  5. Step 5: Solve for x
    x = 342,127,827,665.94/673,840.35
  6. Step 6: Final answer
    x = 507,728.32

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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.