Home / 460,746.12-635,858.64-279,475.32

Finding the Fourth Proportional to 460,746.12, 635,858.64 and 279,475.32

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Solution

The fourth proportional to 460,746.12, 635,858.64 and 279,475.32 is: 385,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,746.12 : 635,858.64 = 279,475.32 : x
  2. Step 2: Convert to fraction form
    460,746.12/635,858.64 = 279,475.32/x
  3. Step 3: Cross multiply
    460,746.12x = 635,858.64 × 279,475.32
  4. Step 4: Simplify right side
    460,746.12x = 177,706,796,888.77
  5. Step 5: Solve for x
    x = 177,706,796,888.77/460,746.12
  6. Step 6: Final answer
    x = 385,693.53

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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.