Home / 912,430.92-1,259,087.32-504,538.16

Finding the Fourth Proportional to 912,430.92, 1,259,087.32 and 504,538.16

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Solution

The fourth proportional to 912,430.92, 1,259,087.32 and 504,538.16 is: 696,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,430.92 : 1,259,087.32 = 504,538.16 : x
  2. Step 2: Convert to fraction form
    912,430.92/1,259,087.32 = 504,538.16/x
  3. Step 3: Cross multiply
    912,430.92x = 1,259,087.32 × 504,538.16
  4. Step 4: Simplify right side
    912,430.92x = 635,257,599,712.13
  5. Step 5: Solve for x
    x = 635,257,599,712.13/912,430.92
  6. Step 6: Final answer
    x = 696,225.42

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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.