Home / 1,057,671.91-1,587,138.25-383,805.78

Finding the Fourth Proportional to 1,057,671.91, 1,587,138.25 and 383,805.78

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Solution

The fourth proportional to 1,057,671.91, 1,587,138.25 and 383,805.78 is: 575,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,671.91 : 1,587,138.25 = 383,805.78 : x
  2. Step 2: Convert to fraction form
    1,057,671.91/1,587,138.25 = 383,805.78/x
  3. Step 3: Cross multiply
    1,057,671.91x = 1,587,138.25 × 383,805.78
  4. Step 4: Simplify right side
    1,057,671.91x = 609,152,834,009.09
  5. Step 5: Solve for x
    x = 609,152,834,009.09/1,057,671.91
  6. Step 6: Final answer
    x = 575,937.42

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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.