Home / 1,622,838.96-2,239,298.38-925,209.76

Finding the Fourth Proportional to 1,622,838.96, 2,239,298.38 and 925,209.76

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Solution

The fourth proportional to 1,622,838.96, 2,239,298.38 and 925,209.76 is: 1,276,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,838.96 : 2,239,298.38 = 925,209.76 : x
  2. Step 2: Convert to fraction form
    1,622,838.96/2,239,298.38 = 925,209.76/x
  3. Step 3: Cross multiply
    1,622,838.96x = 2,239,298.38 × 925,209.76
  4. Step 4: Simplify right side
    1,622,838.96x = 2,071,820,716,728.19
  5. Step 5: Solve for x
    x = 2,071,820,716,728.19/1,622,838.96
  6. Step 6: Final answer
    x = 1,276,664.39

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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.