Home / 836,693.36-1,154,636.31-454,720.22

Finding the Fourth Proportional to 836,693.36, 1,154,636.31 and 454,720.22

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Solution

The fourth proportional to 836,693.36, 1,154,636.31 and 454,720.22 is: 627,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,693.36 : 1,154,636.31 = 454,720.22 : x
  2. Step 2: Convert to fraction form
    836,693.36/1,154,636.31 = 454,720.22/x
  3. Step 3: Cross multiply
    836,693.36x = 1,154,636.31 × 454,720.22
  4. Step 4: Simplify right side
    836,693.36x = 525,036,476,903.19
  5. Step 5: Solve for x
    x = 525,036,476,903.19/836,693.36
  6. Step 6: Final answer
    x = 627,513.62

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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.