Home / 346,579.20-519,091.20-338,803.20

Finding the Fourth Proportional to 346,579.20, 519,091.20 and 338,803.20

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Solution

The fourth proportional to 346,579.20, 519,091.20 and 338,803.20 is: 507,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,579.20 : 519,091.20 = 338,803.20 : x
  2. Step 2: Convert to fraction form
    346,579.20/519,091.20 = 338,803.20/x
  3. Step 3: Cross multiply
    346,579.20x = 519,091.20 × 338,803.20
  4. Step 4: Simplify right side
    346,579.20x = 175,869,759,651.84
  5. Step 5: Solve for x
    x = 175,869,759,651.84/346,579.20
  6. Step 6: Final answer
    x = 507,444.65

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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.