Home / 943,127.08-1,414,949.66-278,279.08

Finding the Fourth Proportional to 943,127.08, 1,414,949.66 and 278,279.08

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Solution

The fourth proportional to 943,127.08, 1,414,949.66 and 278,279.08 is: 417,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,127.08 : 1,414,949.66 = 278,279.08 : x
  2. Step 2: Convert to fraction form
    943,127.08/1,414,949.66 = 278,279.08/x
  3. Step 3: Cross multiply
    943,127.08x = 1,414,949.66 × 278,279.08
  4. Step 4: Simplify right side
    943,127.08x = 393,750,889,631.11
  5. Step 5: Solve for x
    x = 393,750,889,631.11/943,127.08
  6. Step 6: Final answer
    x = 417,495.05

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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.