Home / 1,224,555.39-1,689,906.60-673,294.40

Finding the Fourth Proportional to 1,224,555.39, 1,689,906.60 and 673,294.40

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Solution

The fourth proportional to 1,224,555.39, 1,689,906.60 and 673,294.40 is: 929,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,555.39 : 1,689,906.60 = 673,294.40 : x
  2. Step 2: Convert to fraction form
    1,224,555.39/1,689,906.60 = 673,294.40/x
  3. Step 3: Cross multiply
    1,224,555.39x = 1,689,906.60 × 673,294.40
  4. Step 4: Simplify right side
    1,224,555.39x = 1,137,804,650,303.04
  5. Step 5: Solve for x
    x = 1,137,804,650,303.04/1,224,555.39
  6. Step 6: Final answer
    x = 929,157.36

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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.