Home / 807,949.02-1,114,977.28-445,385.88

Finding the Fourth Proportional to 807,949.02, 1,114,977.28 and 445,385.88

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Solution

The fourth proportional to 807,949.02, 1,114,977.28 and 445,385.88 is: 614,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,949.02 : 1,114,977.28 = 445,385.88 : x
  2. Step 2: Convert to fraction form
    807,949.02/1,114,977.28 = 445,385.88/x
  3. Step 3: Cross multiply
    807,949.02x = 1,114,977.28 × 445,385.88
  4. Step 4: Simplify right side
    807,949.02x = 496,595,137,032.81
  5. Step 5: Solve for x
    x = 496,595,137,032.81/807,949.02
  6. Step 6: Final answer
    x = 614,636.72

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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.