Home / 875,344.30-1,313,156.37-369,910.10

Finding the Fourth Proportional to 875,344.30, 1,313,156.37 and 369,910.10

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Solution

The fourth proportional to 875,344.30, 1,313,156.37 and 369,910.10 is: 554,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,344.30 : 1,313,156.37 = 369,910.10 : x
  2. Step 2: Convert to fraction form
    875,344.30/1,313,156.37 = 369,910.10/x
  3. Step 3: Cross multiply
    875,344.30x = 1,313,156.37 × 369,910.10
  4. Step 4: Simplify right side
    875,344.30x = 485,749,804,142.34
  5. Step 5: Solve for x
    x = 485,749,804,142.34/875,344.30
  6. Step 6: Final answer
    x = 554,924.28

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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.