Home / 1,005,364.70-1,508,192.85-331,331.30

Finding the Fourth Proportional to 1,005,364.70, 1,508,192.85 and 331,331.30

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Solution

The fourth proportional to 1,005,364.70, 1,508,192.85 and 331,331.30 is: 497,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,364.70 : 1,508,192.85 = 331,331.30 : x
  2. Step 2: Convert to fraction form
    1,005,364.70/1,508,192.85 = 331,331.30/x
  3. Step 3: Cross multiply
    1,005,364.70x = 1,508,192.85 × 331,331.30
  4. Step 4: Simplify right side
    1,005,364.70x = 499,711,497,641.21
  5. Step 5: Solve for x
    x = 499,711,497,641.21/1,005,364.70
  6. Step 6: Final answer
    x = 497,045.00

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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.