Home / 999,065.49-1,498,203.77-399,914.97

Finding the Fourth Proportional to 999,065.49, 1,498,203.77 and 399,914.97

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Solution

The fourth proportional to 999,065.49, 1,498,203.77 and 399,914.97 is: 599,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,065.49 : 1,498,203.77 = 399,914.97 : x
  2. Step 2: Convert to fraction form
    999,065.49/1,498,203.77 = 399,914.97/x
  3. Step 3: Cross multiply
    999,065.49x = 1,498,203.77 × 399,914.97
  4. Step 4: Simplify right side
    999,065.49x = 599,154,113,733.86
  5. Step 5: Solve for x
    x = 599,154,113,733.86/999,065.49
  6. Step 6: Final answer
    x = 599,714.55

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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.