Home / 1,109,611.54-1,531,248.81-619,588.63

Finding the Fourth Proportional to 1,109,611.54, 1,531,248.81 and 619,588.63

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Solution

The fourth proportional to 1,109,611.54, 1,531,248.81 and 619,588.63 is: 855,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,611.54 : 1,531,248.81 = 619,588.63 : x
  2. Step 2: Convert to fraction form
    1,109,611.54/1,531,248.81 = 619,588.63/x
  3. Step 3: Cross multiply
    1,109,611.54x = 1,531,248.81 × 619,588.63
  4. Step 4: Simplify right side
    1,109,611.54x = 948,744,343,354.36
  5. Step 5: Solve for x
    x = 948,744,343,354.36/1,109,611.54
  6. Step 6: Final answer
    x = 855,023.86

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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.