Home / 1,690,415.15-2,535,650.46-476,020.94

Finding the Fourth Proportional to 1,690,415.15, 2,535,650.46 and 476,020.94

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Solution

The fourth proportional to 1,690,415.15, 2,535,650.46 and 476,020.94 is: 714,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,415.15 : 2,535,650.46 = 476,020.94 : x
  2. Step 2: Convert to fraction form
    1,690,415.15/2,535,650.46 = 476,020.94/x
  3. Step 3: Cross multiply
    1,690,415.15x = 2,535,650.46 × 476,020.94
  4. Step 4: Simplify right side
    1,690,415.15x = 1,207,022,702,802.38
  5. Step 5: Solve for x
    x = 1,207,022,702,802.38/1,690,415.15
  6. Step 6: Final answer
    x = 714,039.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.