Home / 912,858.03-1,370,074.37-352,286.19

Finding the Fourth Proportional to 912,858.03, 1,370,074.37 and 352,286.19

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Solution

The fourth proportional to 912,858.03, 1,370,074.37 and 352,286.19 is: 528,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,858.03 : 1,370,074.37 = 352,286.19 : x
  2. Step 2: Convert to fraction form
    912,858.03/1,370,074.37 = 352,286.19/x
  3. Step 3: Cross multiply
    912,858.03x = 1,370,074.37 × 352,286.19
  4. Step 4: Simplify right side
    912,858.03x = 482,658,278,062.52
  5. Step 5: Solve for x
    x = 482,658,278,062.52/912,858.03
  6. Step 6: Final answer
    x = 528,733.12

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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.