Home / 1,289,068.11-1,932,921.72-435,846.51

Finding the Fourth Proportional to 1,289,068.11, 1,932,921.72 and 435,846.51

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Solution

The fourth proportional to 1,289,068.11, 1,932,921.72 and 435,846.51 is: 653,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,068.11 : 1,932,921.72 = 435,846.51 : x
  2. Step 2: Convert to fraction form
    1,289,068.11/1,932,921.72 = 435,846.51/x
  3. Step 3: Cross multiply
    1,289,068.11x = 1,932,921.72 × 435,846.51
  4. Step 4: Simplify right side
    1,289,068.11x = 842,457,185,765.20
  5. Step 5: Solve for x
    x = 842,457,185,765.20/1,289,068.11
  6. Step 6: Final answer
    x = 653,539.70

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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.