Home / 883,145.20-1,324,890.60-377,705.20

Finding the Fourth Proportional to 883,145.20, 1,324,890.60 and 377,705.20

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Solution

The fourth proportional to 883,145.20, 1,324,890.60 and 377,705.20 is: 566,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,145.20 : 1,324,890.60 = 377,705.20 : x
  2. Step 2: Convert to fraction form
    883,145.20/1,324,890.60 = 377,705.20/x
  3. Step 3: Cross multiply
    883,145.20x = 1,324,890.60 × 377,705.20
  4. Step 4: Simplify right side
    883,145.20x = 500,418,069,051.12
  5. Step 5: Solve for x
    x = 500,418,069,051.12/883,145.20
  6. Step 6: Final answer
    x = 566,631.70

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1.5x scale

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.