Home / 747,457-1,121,364.11-242,018.52

Finding the Fourth Proportional to 747,457, 1,121,364.11 and 242,018.52

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Solution

The fourth proportional to 747,457, 1,121,364.11 and 242,018.52 is: 363,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,457 : 1,121,364.11 = 242,018.52 : x
  2. Step 2: Convert to fraction form
    747,457/1,121,364.11 = 242,018.52/x
  3. Step 3: Cross multiply
    747,457x = 1,121,364.11 × 242,018.52
  4. Step 4: Simplify right side
    747,457x = 271,390,882,283.32
  5. Step 5: Solve for x
    x = 271,390,882,283.32/747,457
  6. Step 6: Final answer
    x = 363,085.61

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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.