Home / 1,037,395.78-1,431,612.41-578,539.35

Finding the Fourth Proportional to 1,037,395.78, 1,431,612.41 and 578,539.35

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Solution

The fourth proportional to 1,037,395.78, 1,431,612.41 and 578,539.35 is: 798,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,395.78 : 1,431,612.41 = 578,539.35 : x
  2. Step 2: Convert to fraction form
    1,037,395.78/1,431,612.41 = 578,539.35/x
  3. Step 3: Cross multiply
    1,037,395.78x = 1,431,612.41 × 578,539.35
  4. Step 4: Simplify right side
    1,037,395.78x = 828,244,113,494.92
  5. Step 5: Solve for x
    x = 828,244,113,494.92/1,037,395.78
  6. Step 6: Final answer
    x = 798,387.78

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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.