Home / 1,080,202.50-1,490,679.45-627,522.66

Finding the Fourth Proportional to 1,080,202.50, 1,490,679.45 and 627,522.66

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Solution

The fourth proportional to 1,080,202.50, 1,490,679.45 and 627,522.66 is: 865,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,202.50 : 1,490,679.45 = 627,522.66 : x
  2. Step 2: Convert to fraction form
    1,080,202.50/1,490,679.45 = 627,522.66/x
  3. Step 3: Cross multiply
    1,080,202.50x = 1,490,679.45 × 627,522.66
  4. Step 4: Simplify right side
    1,080,202.50x = 935,435,133,671.34
  5. Step 5: Solve for x
    x = 935,435,133,671.34/1,080,202.50
  6. Step 6: Final answer
    x = 865,981.27

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Double scale
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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.