Home / 1,200,173.70-1,656,214.65-656,303.34

Finding the Fourth Proportional to 1,200,173.70, 1,656,214.65 and 656,303.34

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Solution

The fourth proportional to 1,200,173.70, 1,656,214.65 and 656,303.34 is: 905,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,173.70 : 1,656,214.65 = 656,303.34 : x
  2. Step 2: Convert to fraction form
    1,200,173.70/1,656,214.65 = 656,303.34/x
  3. Step 3: Cross multiply
    1,200,173.70x = 1,656,214.65 × 656,303.34
  4. Step 4: Simplify right side
    1,200,173.70x = 1,086,979,206,551.93
  5. Step 5: Solve for x
    x = 1,086,979,206,551.93/1,200,173.70
  6. Step 6: Final answer
    x = 905,684.91

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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.