Home / 1,100,541.60-1,650,812.40-435,693.60

Finding the Fourth Proportional to 1,100,541.60, 1,650,812.40 and 435,693.60

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Solution

The fourth proportional to 1,100,541.60, 1,650,812.40 and 435,693.60 is: 653,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,541.60 : 1,650,812.40 = 435,693.60 : x
  2. Step 2: Convert to fraction form
    1,100,541.60/1,650,812.40 = 435,693.60/x
  3. Step 3: Cross multiply
    1,100,541.60x = 1,650,812.40 × 435,693.60
  4. Step 4: Simplify right side
    1,100,541.60x = 719,248,397,480.64
  5. Step 5: Solve for x
    x = 719,248,397,480.64/1,100,541.60
  6. Step 6: Final answer
    x = 653,540.40

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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.