Home / 912,544.36-1,259,113.38-510,122.60

Finding the Fourth Proportional to 912,544.36, 1,259,113.38 and 510,122.60

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Solution

The fourth proportional to 912,544.36, 1,259,113.38 and 510,122.60 is: 703,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,544.36 : 1,259,113.38 = 510,122.60 : x
  2. Step 2: Convert to fraction form
    912,544.36/1,259,113.38 = 510,122.60/x
  3. Step 3: Cross multiply
    912,544.36x = 1,259,113.38 × 510,122.60
  4. Step 4: Simplify right side
    912,544.36x = 642,302,191,100.39
  5. Step 5: Solve for x
    x = 642,302,191,100.39/912,544.36
  6. Step 6: Final answer
    x = 703,858.59

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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.