Home / 1,079,110.60-1,618,665.90-368,902.60

Finding the Fourth Proportional to 1,079,110.60, 1,618,665.90 and 368,902.60

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Solution

The fourth proportional to 1,079,110.60, 1,618,665.90 and 368,902.60 is: 553,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,110.60 : 1,618,665.90 = 368,902.60 : x
  2. Step 2: Convert to fraction form
    1,079,110.60/1,618,665.90 = 368,902.60/x
  3. Step 3: Cross multiply
    1,079,110.60x = 1,618,665.90 × 368,902.60
  4. Step 4: Simplify right side
    1,079,110.60x = 597,130,059,041.34
  5. Step 5: Solve for x
    x = 597,130,059,041.34/1,079,110.60
  6. Step 6: Final answer
    x = 553,353.90

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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.