Home / 836,954.10-1,154,983.05-454,990.50

Finding the Fourth Proportional to 836,954.10, 1,154,983.05 and 454,990.50

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Solution

The fourth proportional to 836,954.10, 1,154,983.05 and 454,990.50 is: 627,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,954.10 : 1,154,983.05 = 454,990.50 : x
  2. Step 2: Convert to fraction form
    836,954.10/1,154,983.05 = 454,990.50/x
  3. Step 3: Cross multiply
    836,954.10x = 1,154,983.05 × 454,990.50
  4. Step 4: Simplify right side
    836,954.10x = 525,506,315,411.03
  5. Step 5: Solve for x
    x = 525,506,315,411.03/836,954.10
  6. Step 6: Final answer
    x = 627,879.49

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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.