Home / 1,022,492.20-1,411,120.45-563,688.30

Finding the Fourth Proportional to 1,022,492.20, 1,411,120.45 and 563,688.30

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Solution

The fourth proportional to 1,022,492.20, 1,411,120.45 and 563,688.30 is: 777,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,492.20 : 1,411,120.45 = 563,688.30 : x
  2. Step 2: Convert to fraction form
    1,022,492.20/1,411,120.45 = 563,688.30/x
  3. Step 3: Cross multiply
    1,022,492.20x = 1,411,120.45 × 563,688.30
  4. Step 4: Simplify right side
    1,022,492.20x = 795,432,087,555.74
  5. Step 5: Solve for x
    x = 795,432,087,555.74/1,022,492.20
  6. Step 6: Final answer
    x = 777,934.63

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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.