Home / 741,585.44-1,111,521.36-341,387.12

Finding the Fourth Proportional to 741,585.44, 1,111,521.36 and 341,387.12

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Solution

The fourth proportional to 741,585.44, 1,111,521.36 and 341,387.12 is: 511,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,585.44 : 1,111,521.36 = 341,387.12 : x
  2. Step 2: Convert to fraction form
    741,585.44/1,111,521.36 = 341,387.12/x
  3. Step 3: Cross multiply
    741,585.44x = 1,111,521.36 × 341,387.12
  4. Step 4: Simplify right side
    741,585.44x = 379,459,075,908.88
  5. Step 5: Solve for x
    x = 379,459,075,908.88/741,585.44
  6. Step 6: Final answer
    x = 511,686.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.