Home / 418,977.02-578,087.47-246,902.02

Finding the Fourth Proportional to 418,977.02, 578,087.47 and 246,902.02

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Solution

The fourth proportional to 418,977.02, 578,087.47 and 246,902.02 is: 340,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,977.02 : 578,087.47 = 246,902.02 : x
  2. Step 2: Convert to fraction form
    418,977.02/578,087.47 = 246,902.02/x
  3. Step 3: Cross multiply
    418,977.02x = 578,087.47 × 246,902.02
  4. Step 4: Simplify right side
    418,977.02x = 142,730,964,079.69
  5. Step 5: Solve for x
    x = 142,730,964,079.69/418,977.02
  6. Step 6: Final answer
    x = 340,665.38

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1.5x scale

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.