Home / 1,919,213.64-2,875,669.56-656,352.36

Finding the Fourth Proportional to 1,919,213.64, 2,875,669.56 and 656,352.36

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Solution

The fourth proportional to 1,919,213.64, 2,875,669.56 and 656,352.36 is: 983,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,213.64 : 2,875,669.56 = 656,352.36 : x
  2. Step 2: Convert to fraction form
    1,919,213.64/2,875,669.56 = 656,352.36/x
  3. Step 3: Cross multiply
    1,919,213.64x = 2,875,669.56 × 656,352.36
  4. Step 4: Simplify right side
    1,919,213.64x = 1,887,452,502,286.16
  5. Step 5: Solve for x
    x = 1,887,452,502,286.16/1,919,213.64
  6. Step 6: Final answer
    x = 983,450.96

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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.