Home / 705,335.60-1,057,543.32-255,971.36

Finding the Fourth Proportional to 705,335.60, 1,057,543.32 and 255,971.36

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Solution

The fourth proportional to 705,335.60, 1,057,543.32 and 255,971.36 is: 383,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,335.60 : 1,057,543.32 = 255,971.36 : x
  2. Step 2: Convert to fraction form
    705,335.60/1,057,543.32 = 255,971.36/x
  3. Step 3: Cross multiply
    705,335.60x = 1,057,543.32 × 255,971.36
  4. Step 4: Simplify right side
    705,335.60x = 270,700,801,879.32
  5. Step 5: Solve for x
    x = 270,700,801,879.32/705,335.60
  6. Step 6: Final answer
    x = 383,790.07

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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.