Home / 840,674.85-1,160,097.86-496,621.26

Finding the Fourth Proportional to 840,674.85, 1,160,097.86 and 496,621.26

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Solution

The fourth proportional to 840,674.85, 1,160,097.86 and 496,621.26 is: 685,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,674.85 : 1,160,097.86 = 496,621.26 : x
  2. Step 2: Convert to fraction form
    840,674.85/1,160,097.86 = 496,621.26/x
  3. Step 3: Cross multiply
    840,674.85x = 1,160,097.86 × 496,621.26
  4. Step 4: Simplify right side
    840,674.85x = 576,129,258,473.40
  5. Step 5: Solve for x
    x = 576,129,258,473.40/840,674.85
  6. Step 6: Final answer
    x = 685,317.59

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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.