Home / 1,690,393.74-2,535,618.40-475,999.57

Finding the Fourth Proportional to 1,690,393.74, 2,535,618.40 and 475,999.57

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Solution

The fourth proportional to 1,690,393.74, 2,535,618.40 and 475,999.57 is: 714,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,393.74 : 2,535,618.40 = 475,999.57 : x
  2. Step 2: Convert to fraction form
    1,690,393.74/2,535,618.40 = 475,999.57/x
  3. Step 3: Cross multiply
    1,690,393.74x = 2,535,618.40 × 475,999.57
  4. Step 4: Simplify right side
    1,690,393.74x = 1,206,953,270,063.61
  5. Step 5: Solve for x
    x = 1,206,953,270,063.61/1,690,393.74
  6. Step 6: Final answer
    x = 714,007.18

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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.