Home / 419,051.72-578,190.60-246,976.52

Finding the Fourth Proportional to 419,051.72, 578,190.60 and 246,976.52

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Solution

The fourth proportional to 419,051.72, 578,190.60 and 246,976.52 is: 340,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,051.72 : 578,190.60 = 246,976.52 : x
  2. Step 2: Convert to fraction form
    419,051.72/578,190.60 = 246,976.52/x
  3. Step 3: Cross multiply
    419,051.72x = 578,190.60 × 246,976.52
  4. Step 4: Simplify right side
    419,051.72x = 142,799,502,284.71
  5. Step 5: Solve for x
    x = 142,799,502,284.71/419,051.72
  6. Step 6: Final answer
    x = 340,768.20

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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.