Home / 912,587.16-1,259,378.64-504,667.92

Finding the Fourth Proportional to 912,587.16, 1,259,378.64 and 504,667.92

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Solution

The fourth proportional to 912,587.16, 1,259,378.64 and 504,667.92 is: 696,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,587.16 : 1,259,378.64 = 504,667.92 : x
  2. Step 2: Convert to fraction form
    912,587.16/1,259,378.64 = 504,667.92/x
  3. Step 3: Cross multiply
    912,587.16x = 1,259,378.64 × 504,667.92
  4. Step 4: Simplify right side
    912,587.16x = 635,567,998,741.23
  5. Step 5: Solve for x
    x = 635,567,998,741.23/912,587.16
  6. Step 6: Final answer
    x = 696,446.35

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Double scale
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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.