Home / 1,000,356.75-1,380,492.41-547,647.75

Finding the Fourth Proportional to 1,000,356.75, 1,380,492.41 and 547,647.75

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Solution

The fourth proportional to 1,000,356.75, 1,380,492.41 and 547,647.75 is: 755,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,356.75 : 1,380,492.41 = 547,647.75 : x
  2. Step 2: Convert to fraction form
    1,000,356.75/1,380,492.41 = 547,647.75/x
  3. Step 3: Cross multiply
    1,000,356.75x = 1,380,492.41 × 547,647.75
  4. Step 4: Simplify right side
    1,000,356.75x = 756,023,559,490.34
  5. Step 5: Solve for x
    x = 756,023,559,490.34/1,000,356.75
  6. Step 6: Final answer
    x = 755,753.94

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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.