Home / 456,442.10-684,663.15-297,811.70

Finding the Fourth Proportional to 456,442.10, 684,663.15 and 297,811.70

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Solution

The fourth proportional to 456,442.10, 684,663.15 and 297,811.70 is: 446,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,442.10 : 684,663.15 = 297,811.70 : x
  2. Step 2: Convert to fraction form
    456,442.10/684,663.15 = 297,811.70/x
  3. Step 3: Cross multiply
    456,442.10x = 684,663.15 × 297,811.70
  4. Step 4: Simplify right side
    456,442.10x = 203,900,696,628.86
  5. Step 5: Solve for x
    x = 203,900,696,628.86/456,442.10
  6. Step 6: Final answer
    x = 446,717.55

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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.