Home / 764,326.64-1,054,763.16-424,787.60

Finding the Fourth Proportional to 764,326.64, 1,054,763.16 and 424,787.60

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Solution

The fourth proportional to 764,326.64, 1,054,763.16 and 424,787.60 is: 586,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,326.64 : 1,054,763.16 = 424,787.60 : x
  2. Step 2: Convert to fraction form
    764,326.64/1,054,763.16 = 424,787.60/x
  3. Step 3: Cross multiply
    764,326.64x = 1,054,763.16 × 424,787.60
  4. Step 4: Simplify right side
    764,326.64x = 448,050,311,304.82
  5. Step 5: Solve for x
    x = 448,050,311,304.82/764,326.64
  6. Step 6: Final answer
    x = 586,202.66

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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.