Home / 836,701.30-1,154,656.74-454,728.10

Finding the Fourth Proportional to 836,701.30, 1,154,656.74 and 454,728.10

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Solution

The fourth proportional to 836,701.30, 1,154,656.74 and 454,728.10 is: 627,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,701.30 : 1,154,656.74 = 454,728.10 : x
  2. Step 2: Convert to fraction form
    836,701.30/1,154,656.74 = 454,728.10/x
  3. Step 3: Cross multiply
    836,701.30x = 1,154,656.74 × 454,728.10
  4. Step 4: Simplify right side
    836,701.30x = 525,054,865,532.39
  5. Step 5: Solve for x
    x = 525,054,865,532.39/836,701.30
  6. Step 6: Final answer
    x = 627,529.64

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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.