Home / 783,509.88-1,175,231.98-251,019.12

Finding the Fourth Proportional to 783,509.88, 1,175,231.98 and 251,019.12

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Solution

The fourth proportional to 783,509.88, 1,175,231.98 and 251,019.12 is: 376,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,509.88 : 1,175,231.98 = 251,019.12 : x
  2. Step 2: Convert to fraction form
    783,509.88/1,175,231.98 = 251,019.12/x
  3. Step 3: Cross multiply
    783,509.88x = 1,175,231.98 × 251,019.12
  4. Step 4: Simplify right side
    783,509.88x = 295,005,697,415.46
  5. Step 5: Solve for x
    x = 295,005,697,415.46/783,509.88
  6. Step 6: Final answer
    x = 376,518.16

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Half scale
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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.