Home / 1,224,779.53-1,690,202.32-673,530.77

Finding the Fourth Proportional to 1,224,779.53, 1,690,202.32 and 673,530.77

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Solution

The fourth proportional to 1,224,779.53, 1,690,202.32 and 673,530.77 is: 929,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,779.53 : 1,690,202.32 = 673,530.77 : x
  2. Step 2: Convert to fraction form
    1,224,779.53/1,690,202.32 = 673,530.77/x
  3. Step 3: Cross multiply
    1,224,779.53x = 1,690,202.32 × 673,530.77
  4. Step 4: Simplify right side
    1,224,779.53x = 1,138,403,276,684.02
  5. Step 5: Solve for x
    x = 1,138,403,276,684.02/1,224,779.53
  6. Step 6: Final answer
    x = 929,476.08

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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.