Home / 672,541.68-1,009,404.69-352,921.81

Finding the Fourth Proportional to 672,541.68, 1,009,404.69 and 352,921.81

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Solution

The fourth proportional to 672,541.68, 1,009,404.69 and 352,921.81 is: 529,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,541.68 : 1,009,404.69 = 352,921.81 : x
  2. Step 2: Convert to fraction form
    672,541.68/1,009,404.69 = 352,921.81/x
  3. Step 3: Cross multiply
    672,541.68x = 1,009,404.69 × 352,921.81
  4. Step 4: Simplify right side
    672,541.68x = 356,240,928,262.95
  5. Step 5: Solve for x
    x = 356,240,928,262.95/672,541.68
  6. Step 6: Final answer
    x = 529,693.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.