Home / 715,459.62-986,923.17-446,721.06

Finding the Fourth Proportional to 715,459.62, 986,923.17 and 446,721.06

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Solution

The fourth proportional to 715,459.62, 986,923.17 and 446,721.06 is: 616,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,459.62 : 986,923.17 = 446,721.06 : x
  2. Step 2: Convert to fraction form
    715,459.62/986,923.17 = 446,721.06/x
  3. Step 3: Cross multiply
    715,459.62x = 986,923.17 × 446,721.06
  4. Step 4: Simplify right side
    715,459.62x = 440,879,364,640.96
  5. Step 5: Solve for x
    x = 440,879,364,640.96/715,459.62
  6. Step 6: Final answer
    x = 616,218.38

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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.