Home / 1,000,352.76-1,380,486.88-547,643.76

Finding the Fourth Proportional to 1,000,352.76, 1,380,486.88 and 547,643.76

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Solution

The fourth proportional to 1,000,352.76, 1,380,486.88 and 547,643.76 is: 755,748.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,352.76 : 1,380,486.88 = 547,643.76 : x
  2. Step 2: Convert to fraction form
    1,000,352.76/1,380,486.88 = 547,643.76/x
  3. Step 3: Cross multiply
    1,000,352.76x = 1,380,486.88 × 547,643.76
  4. Step 4: Simplify right side
    1,000,352.76x = 756,015,025,593.87
  5. Step 5: Solve for x
    x = 756,015,025,593.87/1,000,352.76
  6. Step 6: Final answer
    x = 755,748.43

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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.