Home / 865,064.72-1,297,597.08-444,106.64

Finding the Fourth Proportional to 865,064.72, 1,297,597.08 and 444,106.64

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Solution

The fourth proportional to 865,064.72, 1,297,597.08 and 444,106.64 is: 666,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,064.72 : 1,297,597.08 = 444,106.64 : x
  2. Step 2: Convert to fraction form
    865,064.72/1,297,597.08 = 444,106.64/x
  3. Step 3: Cross multiply
    865,064.72x = 1,297,597.08 × 444,106.64
  4. Step 4: Simplify right side
    865,064.72x = 576,271,479,272.61
  5. Step 5: Solve for x
    x = 576,271,479,272.61/865,064.72
  6. Step 6: Final answer
    x = 666,159.96

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Double scale
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Similar ratio
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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.