Home / 759,544.96-1,048,120.32-420,010.24

Finding the Fourth Proportional to 759,544.96, 1,048,120.32 and 420,010.24

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Solution

The fourth proportional to 759,544.96, 1,048,120.32 and 420,010.24 is: 579,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,544.96 : 1,048,120.32 = 420,010.24 : x
  2. Step 2: Convert to fraction form
    759,544.96/1,048,120.32 = 420,010.24/x
  3. Step 3: Cross multiply
    759,544.96x = 1,048,120.32 × 420,010.24
  4. Step 4: Simplify right side
    759,544.96x = 440,221,267,152.08
  5. Step 5: Solve for x
    x = 440,221,267,152.08/759,544.96
  6. Step 6: Final answer
    x = 579,585.53

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.