Home / 679,710.35-1,019,561.93-174,270.35

Finding the Fourth Proportional to 679,710.35, 1,019,561.93 and 174,270.35

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Solution

The fourth proportional to 679,710.35, 1,019,561.93 and 174,270.35 is: 261,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,710.35 : 1,019,561.93 = 174,270.35 : x
  2. Step 2: Convert to fraction form
    679,710.35/1,019,561.93 = 174,270.35/x
  3. Step 3: Cross multiply
    679,710.35x = 1,019,561.93 × 174,270.35
  4. Step 4: Simplify right side
    679,710.35x = 177,679,413,516.42
  5. Step 5: Solve for x
    x = 177,679,413,516.42/679,710.35
  6. Step 6: Final answer
    x = 261,404.60

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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.