Home / 912,431.43-1,259,088.03-504,538.65

Finding the Fourth Proportional to 912,431.43, 1,259,088.03 and 504,538.65

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Solution

The fourth proportional to 912,431.43, 1,259,088.03 and 504,538.65 is: 696,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,431.43 : 1,259,088.03 = 504,538.65 : x
  2. Step 2: Convert to fraction form
    912,431.43/1,259,088.03 = 504,538.65/x
  3. Step 3: Cross multiply
    912,431.43x = 1,259,088.03 × 504,538.65
  4. Step 4: Simplify right side
    912,431.43x = 635,258,574,887.36
  5. Step 5: Solve for x
    x = 635,258,574,887.36/912,431.43
  6. Step 6: Final answer
    x = 696,226.10

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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.