Home / 760,379.24-1,049,252.25-454,394.90

Finding the Fourth Proportional to 760,379.24, 1,049,252.25 and 454,394.90

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Solution

The fourth proportional to 760,379.24, 1,049,252.25 and 454,394.90 is: 627,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,379.24 : 1,049,252.25 = 454,394.90 : x
  2. Step 2: Convert to fraction form
    760,379.24/1,049,252.25 = 454,394.90/x
  3. Step 3: Cross multiply
    760,379.24x = 1,049,252.25 × 454,394.90
  4. Step 4: Simplify right side
    760,379.24x = 476,774,871,213.53
  5. Step 5: Solve for x
    x = 476,774,871,213.53/760,379.24
  6. Step 6: Final answer
    x = 627,022.47

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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.