Home / 741,710.10-1,112,565.15-505,514.10

Finding the Fourth Proportional to 741,710.10, 1,112,565.15 and 505,514.10

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Solution

The fourth proportional to 741,710.10, 1,112,565.15 and 505,514.10 is: 758,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,710.10 : 1,112,565.15 = 505,514.10 : x
  2. Step 2: Convert to fraction form
    741,710.10/1,112,565.15 = 505,514.10/x
  3. Step 3: Cross multiply
    741,710.10x = 1,112,565.15 × 505,514.10
  4. Step 4: Simplify right side
    741,710.10x = 562,417,370,493.62
  5. Step 5: Solve for x
    x = 562,417,370,493.62/741,710.10
  6. Step 6: Final answer
    x = 758,271.15

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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.