Home / 836,692.28-1,154,644.32-454,719.12

Finding the Fourth Proportional to 836,692.28, 1,154,644.32 and 454,719.12

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Solution

The fourth proportional to 836,692.28, 1,154,644.32 and 454,719.12 is: 627,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,692.28 : 1,154,644.32 = 454,719.12 : x
  2. Step 2: Convert to fraction form
    836,692.28/1,154,644.32 = 454,719.12/x
  3. Step 3: Cross multiply
    836,692.28x = 1,154,644.32 × 454,719.12
  4. Step 4: Simplify right side
    836,692.28x = 525,038,849,103.40
  5. Step 5: Solve for x
    x = 525,038,849,103.40/836,692.28
  6. Step 6: Final answer
    x = 627,517.26

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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.