Home / 450,737.72-621,994.37-246,749.55

Finding the Fourth Proportional to 450,737.72, 621,994.37 and 246,749.55

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Solution

The fourth proportional to 450,737.72, 621,994.37 and 246,749.55 is: 340,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,737.72 : 621,994.37 = 246,749.55 : x
  2. Step 2: Convert to fraction form
    450,737.72/621,994.37 = 246,749.55/x
  3. Step 3: Cross multiply
    450,737.72x = 621,994.37 × 246,749.55
  4. Step 4: Simplify right side
    450,737.72x = 153,476,830,900.03
  5. Step 5: Solve for x
    x = 153,476,830,900.03/450,737.72
  6. Step 6: Final answer
    x = 340,501.41

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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.