Home / 684,025.78-943,955.78-373,929.72

Finding the Fourth Proportional to 684,025.78, 943,955.78 and 373,929.72

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Solution

The fourth proportional to 684,025.78, 943,955.78 and 373,929.72 is: 516,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,025.78 : 943,955.78 = 373,929.72 : x
  2. Step 2: Convert to fraction form
    684,025.78/943,955.78 = 373,929.72/x
  3. Step 3: Cross multiply
    684,025.78x = 943,955.78 × 373,929.72
  4. Step 4: Simplify right side
    684,025.78x = 352,973,120,507.78
  5. Step 5: Solve for x
    x = 352,973,120,507.78/684,025.78
  6. Step 6: Final answer
    x = 516,023.12

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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.