Home / 1,134,185.35-1,565,175.07-624,887.72

Finding the Fourth Proportional to 1,134,185.35, 1,565,175.07 and 624,887.72

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Solution

The fourth proportional to 1,134,185.35, 1,565,175.07 and 624,887.72 is: 862,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,185.35 : 1,565,175.07 = 624,887.72 : x
  2. Step 2: Convert to fraction form
    1,134,185.35/1,565,175.07 = 624,887.72/x
  3. Step 3: Cross multiply
    1,134,185.35x = 1,565,175.07 × 624,887.72
  4. Step 4: Simplify right side
    1,134,185.35x = 978,058,680,893.14
  5. Step 5: Solve for x
    x = 978,058,680,893.14/1,134,185.35
  6. Step 6: Final answer
    x = 862,344.66

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Double scale
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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.