Home / 830,725.38-1,246,088.10-262,164.12

Finding the Fourth Proportional to 830,725.38, 1,246,088.10 and 262,164.12

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Solution

The fourth proportional to 830,725.38, 1,246,088.10 and 262,164.12 is: 393,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,725.38 : 1,246,088.10 = 262,164.12 : x
  2. Step 2: Convert to fraction form
    830,725.38/1,246,088.10 = 262,164.12/x
  3. Step 3: Cross multiply
    830,725.38x = 1,246,088.10 × 262,164.12
  4. Step 4: Simplify right side
    830,725.38x = 326,679,590,178.97
  5. Step 5: Solve for x
    x = 326,679,590,178.97/830,725.38
  6. Step 6: Final answer
    x = 393,246.19

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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.