Home / 1,637,780.56-2,260,206.96-912,629.20

Finding the Fourth Proportional to 1,637,780.56, 2,260,206.96 and 912,629.20

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Solution

The fourth proportional to 1,637,780.56, 2,260,206.96 and 912,629.20 is: 1,259,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,780.56 : 2,260,206.96 = 912,629.20 : x
  2. Step 2: Convert to fraction form
    1,637,780.56/2,260,206.96 = 912,629.20/x
  3. Step 3: Cross multiply
    1,637,780.56x = 2,260,206.96 × 912,629.20
  4. Step 4: Simplify right side
    1,637,780.56x = 2,062,730,869,739.23
  5. Step 5: Solve for x
    x = 2,062,730,869,739.23/1,637,780.56
  6. Step 6: Final answer
    x = 1,259,467.18

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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.