Home / 993,356.10-1,370,790.90-563,626.98

Finding the Fourth Proportional to 993,356.10, 1,370,790.90 and 563,626.98

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Solution

The fourth proportional to 993,356.10, 1,370,790.90 and 563,626.98 is: 777,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,356.10 : 1,370,790.90 = 563,626.98 : x
  2. Step 2: Convert to fraction form
    993,356.10/1,370,790.90 = 563,626.98/x
  3. Step 3: Cross multiply
    993,356.10x = 1,370,790.90 × 563,626.98
  4. Step 4: Simplify right side
    993,356.10x = 772,614,735,178.48
  5. Step 5: Solve for x
    x = 772,614,735,178.48/993,356.10
  6. Step 6: Final answer
    x = 777,782.24

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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.