Home / 1,657,873.29-2,486,809.78-459,795.59

Finding the Fourth Proportional to 1,657,873.29, 2,486,809.78 and 459,795.59

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Solution

The fourth proportional to 1,657,873.29, 2,486,809.78 and 459,795.59 is: 689,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,873.29 : 2,486,809.78 = 459,795.59 : x
  2. Step 2: Convert to fraction form
    1,657,873.29/2,486,809.78 = 459,795.59/x
  3. Step 3: Cross multiply
    1,657,873.29x = 2,486,809.78 × 459,795.59
  4. Step 4: Simplify right side
    1,657,873.29x = 1,143,424,170,012.87
  5. Step 5: Solve for x
    x = 1,143,424,170,012.87/1,657,873.29
  6. Step 6: Final answer
    x = 689,693.34

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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.