Home / 1,225,447.35-1,690,998.86-709,098.24

Finding the Fourth Proportional to 1,225,447.35, 1,690,998.86 and 709,098.24

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Solution

The fourth proportional to 1,225,447.35, 1,690,998.86 and 709,098.24 is: 978,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,447.35 : 1,690,998.86 = 709,098.24 : x
  2. Step 2: Convert to fraction form
    1,225,447.35/1,690,998.86 = 709,098.24/x
  3. Step 3: Cross multiply
    1,225,447.35x = 1,690,998.86 × 709,098.24
  4. Step 4: Simplify right side
    1,225,447.35x = 1,199,084,315,468.01
  5. Step 5: Solve for x
    x = 1,199,084,315,468.01/1,225,447.35
  6. Step 6: Final answer
    x = 978,487.01

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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.