Home / 638,052.20-958,503.90-533,076.20

Finding the Fourth Proportional to 638,052.20, 958,503.90 and 533,076.20

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Solution

The fourth proportional to 638,052.20, 958,503.90 and 533,076.20 is: 800,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,052.20 : 958,503.90 = 533,076.20 : x
  2. Step 2: Convert to fraction form
    638,052.20/958,503.90 = 533,076.20/x
  3. Step 3: Cross multiply
    638,052.20x = 958,503.90 × 533,076.20
  4. Step 4: Simplify right side
    638,052.20x = 510,955,616,697.18
  5. Step 5: Solve for x
    x = 510,955,616,697.18/638,052.20
  6. Step 6: Final answer
    x = 800,805.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.