Home / 1,393,457.78-2,090,193.15-382,593.98

Finding the Fourth Proportional to 1,393,457.78, 2,090,193.15 and 382,593.98

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Solution

The fourth proportional to 1,393,457.78, 2,090,193.15 and 382,593.98 is: 573,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,457.78 : 2,090,193.15 = 382,593.98 : x
  2. Step 2: Convert to fraction form
    1,393,457.78/2,090,193.15 = 382,593.98/x
  3. Step 3: Cross multiply
    1,393,457.78x = 2,090,193.15 × 382,593.98
  4. Step 4: Simplify right side
    1,393,457.78x = 799,695,305,776.27
  5. Step 5: Solve for x
    x = 799,695,305,776.27/1,393,457.78
  6. Step 6: Final answer
    x = 573,892.74

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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.