Home / 1,383,983.52-1,910,088-811,252.32

Finding the Fourth Proportional to 1,383,983.52, 1,910,088 and 811,252.32

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Solution

The fourth proportional to 1,383,983.52, 1,910,088 and 811,252.32 is: 1,119,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,983.52 : 1,910,088 = 811,252.32 : x
  2. Step 2: Convert to fraction form
    1,383,983.52/1,910,088 = 811,252.32/x
  3. Step 3: Cross multiply
    1,383,983.52x = 1,910,088 × 811,252.32
  4. Step 4: Simplify right side
    1,383,983.52x = 1,549,563,321,404.16
  5. Step 5: Solve for x
    x = 1,549,563,321,404.16/1,383,983.52
  6. Step 6: Final answer
    x = 1,119,640.01

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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.