Home / 709,072.16-1,063,607.70-210,436.16

Finding the Fourth Proportional to 709,072.16, 1,063,607.70 and 210,436.16

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Solution

The fourth proportional to 709,072.16, 1,063,607.70 and 210,436.16 is: 315,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,072.16 : 1,063,607.70 = 210,436.16 : x
  2. Step 2: Convert to fraction form
    709,072.16/1,063,607.70 = 210,436.16/x
  3. Step 3: Cross multiply
    709,072.16x = 1,063,607.70 × 210,436.16
  4. Step 4: Simplify right side
    709,072.16x = 223,821,520,134.43
  5. Step 5: Solve for x
    x = 223,821,520,134.43/709,072.16
  6. Step 6: Final answer
    x = 315,654.08

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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.