Home / 479,024.16-718,981.20-242,534.40

Finding the Fourth Proportional to 479,024.16, 718,981.20 and 242,534.40

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Solution

The fourth proportional to 479,024.16, 718,981.20 and 242,534.40 is: 364,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,024.16 : 718,981.20 = 242,534.40 : x
  2. Step 2: Convert to fraction form
    479,024.16/718,981.20 = 242,534.40/x
  3. Step 3: Cross multiply
    479,024.16x = 718,981.20 × 242,534.40
  4. Step 4: Simplify right side
    479,024.16x = 174,377,673,953.28
  5. Step 5: Solve for x
    x = 174,377,673,953.28/479,024.16
  6. Step 6: Final answer
    x = 364,026.89

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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.