Home / 613,640.02-846,822.32-341,731.68

Finding the Fourth Proportional to 613,640.02, 846,822.32 and 341,731.68

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Solution

The fourth proportional to 613,640.02, 846,822.32 and 341,731.68 is: 471,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,640.02 : 846,822.32 = 341,731.68 : x
  2. Step 2: Convert to fraction form
    613,640.02/846,822.32 = 341,731.68/x
  3. Step 3: Cross multiply
    613,640.02x = 846,822.32 × 341,731.68
  4. Step 4: Simplify right side
    613,640.02x = 289,386,014,075.10
  5. Step 5: Solve for x
    x = 289,386,014,075.10/613,640.02
  6. Step 6: Final answer
    x = 471,589.21

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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.