Home / 1,637,718.12-2,260,028.16-912,596.40

Finding the Fourth Proportional to 1,637,718.12, 2,260,028.16 and 912,596.40

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Solution

The fourth proportional to 1,637,718.12, 2,260,028.16 and 912,596.40 is: 1,259,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,718.12 : 2,260,028.16 = 912,596.40 : x
  2. Step 2: Convert to fraction form
    1,637,718.12/2,260,028.16 = 912,596.40/x
  3. Step 3: Cross multiply
    1,637,718.12x = 2,260,028.16 × 912,596.40
  4. Step 4: Simplify right side
    1,637,718.12x = 2,062,493,562,714.62
  5. Step 5: Solve for x
    x = 2,062,493,562,714.62/1,637,718.12
  6. Step 6: Final answer
    x = 1,259,370.30

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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.