Home / 1,022,153.58-1,531,535.39-621,582.66

Finding the Fourth Proportional to 1,022,153.58, 1,531,535.39 and 621,582.66

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Solution

The fourth proportional to 1,022,153.58, 1,531,535.39 and 621,582.66 is: 931,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,153.58 : 1,531,535.39 = 621,582.66 : x
  2. Step 2: Convert to fraction form
    1,022,153.58/1,531,535.39 = 621,582.66/x
  3. Step 3: Cross multiply
    1,022,153.58x = 1,531,535.39 × 621,582.66
  4. Step 4: Simplify right side
    1,022,153.58x = 951,975,841,600.34
  5. Step 5: Solve for x
    x = 951,975,841,600.34/1,022,153.58
  6. Step 6: Final answer
    x = 931,343.25

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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.