Home / 1,533,742.70-2,116,722.48-922,094.78

Finding the Fourth Proportional to 1,533,742.70, 2,116,722.48 and 922,094.78

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Solution

The fourth proportional to 1,533,742.70, 2,116,722.48 and 922,094.78 is: 1,272,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,742.70 : 2,116,722.48 = 922,094.78 : x
  2. Step 2: Convert to fraction form
    1,533,742.70/2,116,722.48 = 922,094.78/x
  3. Step 3: Cross multiply
    1,533,742.70x = 2,116,722.48 × 922,094.78
  4. Step 4: Simplify right side
    1,533,742.70x = 1,951,818,749,516.65
  5. Step 5: Solve for x
    x = 1,951,818,749,516.65/1,533,742.70
  6. Step 6: Final answer
    x = 1,272,585.52

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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.