Home / 836,693.30-1,154,645.70-454,720.10

Finding the Fourth Proportional to 836,693.30, 1,154,645.70 and 454,720.10

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Solution

The fourth proportional to 836,693.30, 1,154,645.70 and 454,720.10 is: 627,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,693.30 : 1,154,645.70 = 454,720.10 : x
  2. Step 2: Convert to fraction form
    836,693.30/1,154,645.70 = 454,720.10/x
  3. Step 3: Cross multiply
    836,693.30x = 1,154,645.70 × 454,720.10
  4. Step 4: Simplify right side
    836,693.30x = 525,040,608,168.57
  5. Step 5: Solve for x
    x = 525,040,608,168.57/836,693.30
  6. Step 6: Final answer
    x = 627,518.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.