Home / 963,121.20-1,444,341.60-331,888.20

Finding the Fourth Proportional to 963,121.20, 1,444,341.60 and 331,888.20

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Solution

The fourth proportional to 963,121.20, 1,444,341.60 and 331,888.20 is: 497,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,121.20 : 1,444,341.60 = 331,888.20 : x
  2. Step 2: Convert to fraction form
    963,121.20/1,444,341.60 = 331,888.20/x
  3. Step 3: Cross multiply
    963,121.20x = 1,444,341.60 × 331,888.20
  4. Step 4: Simplify right side
    963,121.20x = 479,359,933,809.12
  5. Step 5: Solve for x
    x = 479,359,933,809.12/963,121.20
  6. Step 6: Final answer
    x = 497,715.07

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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.