Home / 346,436.20-520,172.70-241,719.40

Finding the Fourth Proportional to 346,436.20, 520,172.70 and 241,719.40

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Solution

The fourth proportional to 346,436.20, 520,172.70 and 241,719.40 is: 362,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,436.20 : 520,172.70 = 241,719.40 : x
  2. Step 2: Convert to fraction form
    346,436.20/520,172.70 = 241,719.40/x
  3. Step 3: Cross multiply
    346,436.20x = 520,172.70 × 241,719.40
  4. Step 4: Simplify right side
    346,436.20x = 125,735,832,940.38
  5. Step 5: Solve for x
    x = 125,735,832,940.38/346,436.20
  6. Step 6: Final answer
    x = 362,940.80

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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.