Home / 912,507.56-1,259,268.50-504,636.76

Finding the Fourth Proportional to 912,507.56, 1,259,268.50 and 504,636.76

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Solution

The fourth proportional to 912,507.56, 1,259,268.50 and 504,636.76 is: 696,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,507.56 : 1,259,268.50 = 504,636.76 : x
  2. Step 2: Convert to fraction form
    912,507.56/1,259,268.50 = 504,636.76/x
  3. Step 3: Cross multiply
    912,507.56x = 1,259,268.50 × 504,636.76
  4. Step 4: Simplify right side
    912,507.56x = 635,473,175,810.06
  5. Step 5: Solve for x
    x = 635,473,175,810.06/912,507.56
  6. Step 6: Final answer
    x = 696,403.19

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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.