Home / 848,135.76-1,170,436.38-460,951.21

Finding the Fourth Proportional to 848,135.76, 1,170,436.38 and 460,951.21

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Solution

The fourth proportional to 848,135.76, 1,170,436.38 and 460,951.21 is: 636,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,135.76 : 1,170,436.38 = 460,951.21 : x
  2. Step 2: Convert to fraction form
    848,135.76/1,170,436.38 = 460,951.21/x
  3. Step 3: Cross multiply
    848,135.76x = 1,170,436.38 × 460,951.21
  4. Step 4: Simplify right side
    848,135.76x = 539,514,065,589.02
  5. Step 5: Solve for x
    x = 539,514,065,589.02/848,135.76
  6. Step 6: Final answer
    x = 636,117.58

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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.