Home / 827,853.54-1,142,235.45-505,446.18

Finding the Fourth Proportional to 827,853.54, 1,142,235.45 and 505,446.18

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Solution

The fourth proportional to 827,853.54, 1,142,235.45 and 505,446.18 is: 697,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,853.54 : 1,142,235.45 = 505,446.18 : x
  2. Step 2: Convert to fraction form
    827,853.54/1,142,235.45 = 505,446.18/x
  3. Step 3: Cross multiply
    827,853.54x = 1,142,235.45 × 505,446.18
  4. Step 4: Simplify right side
    827,853.54x = 577,338,544,863.08
  5. Step 5: Solve for x
    x = 577,338,544,863.08/827,853.54
  6. Step 6: Final answer
    x = 697,392.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.