Home / 1,022,847.18-1,411,538.67-563,978.21

Finding the Fourth Proportional to 1,022,847.18, 1,411,538.67 and 563,978.21

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Solution

The fourth proportional to 1,022,847.18, 1,411,538.67 and 563,978.21 is: 778,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,847.18 : 1,411,538.67 = 563,978.21 : x
  2. Step 2: Convert to fraction form
    1,022,847.18/1,411,538.67 = 563,978.21/x
  3. Step 3: Cross multiply
    1,022,847.18x = 1,411,538.67 × 563,978.21
  4. Step 4: Simplify right side
    1,022,847.18x = 796,077,050,024.85
  5. Step 5: Solve for x
    x = 796,077,050,024.85/1,022,847.18
  6. Step 6: Final answer
    x = 778,295.20

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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.