Home / 760,794.33-1,049,883.35-421,255.29

Finding the Fourth Proportional to 760,794.33, 1,049,883.35 and 421,255.29

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Solution

The fourth proportional to 760,794.33, 1,049,883.35 and 421,255.29 is: 581,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,794.33 : 1,049,883.35 = 421,255.29 : x
  2. Step 2: Convert to fraction form
    760,794.33/1,049,883.35 = 421,255.29/x
  3. Step 3: Cross multiply
    760,794.33x = 1,049,883.35 × 421,255.29
  4. Step 4: Simplify right side
    760,794.33x = 442,268,912,964.15
  5. Step 5: Solve for x
    x = 442,268,912,964.15/760,794.33
  6. Step 6: Final answer
    x = 581,325.20

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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.