Home / 662,623.72-914,396.51-404,931.99

Finding the Fourth Proportional to 662,623.72, 914,396.51 and 404,931.99

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Solution

The fourth proportional to 662,623.72, 914,396.51 and 404,931.99 is: 558,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,623.72 : 914,396.51 = 404,931.99 : x
  2. Step 2: Convert to fraction form
    662,623.72/914,396.51 = 404,931.99/x
  3. Step 3: Cross multiply
    662,623.72x = 914,396.51 × 404,931.99
  4. Step 4: Simplify right side
    662,623.72x = 370,268,398,443.36
  5. Step 5: Solve for x
    x = 370,268,398,443.36/662,623.72
  6. Step 6: Final answer
    x = 558,791.35

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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.