Home / 876,042.20-1,313,156.10-475,837.40

Finding the Fourth Proportional to 876,042.20, 1,313,156.10 and 475,837.40

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Solution

The fourth proportional to 876,042.20, 1,313,156.10 and 475,837.40 is: 713,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,042.20 : 1,313,156.10 = 475,837.40 : x
  2. Step 2: Convert to fraction form
    876,042.20/1,313,156.10 = 475,837.40/x
  3. Step 3: Cross multiply
    876,042.20x = 1,313,156.10 × 475,837.40
  4. Step 4: Simplify right side
    876,042.20x = 624,848,784,418.14
  5. Step 5: Solve for x
    x = 624,848,784,418.14/876,042.20
  6. Step 6: Final answer
    x = 713,263.34

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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.