Home / 832,014.40-1,248,021.60-412,110.40

Finding the Fourth Proportional to 832,014.40, 1,248,021.60 and 412,110.40

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Solution

The fourth proportional to 832,014.40, 1,248,021.60 and 412,110.40 is: 618,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,014.40 : 1,248,021.60 = 412,110.40 : x
  2. Step 2: Convert to fraction form
    832,014.40/1,248,021.60 = 412,110.40/x
  3. Step 3: Cross multiply
    832,014.40x = 1,248,021.60 × 412,110.40
  4. Step 4: Simplify right side
    832,014.40x = 514,322,680,784.64
  5. Step 5: Solve for x
    x = 514,322,680,784.64/832,014.40
  6. Step 6: Final answer
    x = 618,165.60

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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.