Home / 836,281.28-1,153,975.61-463,734.84

Finding the Fourth Proportional to 836,281.28, 1,153,975.61 and 463,734.84

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Solution

The fourth proportional to 836,281.28, 1,153,975.61 and 463,734.84 is: 639,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,281.28 : 1,153,975.61 = 463,734.84 : x
  2. Step 2: Convert to fraction form
    836,281.28/1,153,975.61 = 463,734.84/x
  3. Step 3: Cross multiply
    836,281.28x = 1,153,975.61 × 463,734.84
  4. Step 4: Simplify right side
    836,281.28x = 535,138,686,778.70
  5. Step 5: Solve for x
    x = 535,138,686,778.70/836,281.28
  6. Step 6: Final answer
    x = 639,902.74

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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.