Home / 1,149,108.50-1,723,991.61-391,116.98

Finding the Fourth Proportional to 1,149,108.50, 1,723,991.61 and 391,116.98

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Solution

The fourth proportional to 1,149,108.50, 1,723,991.61 and 391,116.98 is: 586,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,108.50 : 1,723,991.61 = 391,116.98 : x
  2. Step 2: Convert to fraction form
    1,149,108.50/1,723,991.61 = 391,116.98/x
  3. Step 3: Cross multiply
    1,149,108.50x = 1,723,991.61 × 391,116.98
  4. Step 4: Simplify right side
    1,149,108.50x = 674,282,392,048.54
  5. Step 5: Solve for x
    x = 674,282,392,048.54/1,149,108.50
  6. Step 6: Final answer
    x = 586,787.40

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Double scale
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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.