Home / 911,920.14-1,258,514.91-504,013.22

Finding the Fourth Proportional to 911,920.14, 1,258,514.91 and 504,013.22

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Solution

The fourth proportional to 911,920.14, 1,258,514.91 and 504,013.22 is: 695,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,920.14 : 1,258,514.91 = 504,013.22 : x
  2. Step 2: Convert to fraction form
    911,920.14/1,258,514.91 = 504,013.22/x
  3. Step 3: Cross multiply
    911,920.14x = 1,258,514.91 × 504,013.22
  4. Step 4: Simplify right side
    911,920.14x = 634,308,145,914.54
  5. Step 5: Solve for x
    x = 634,308,145,914.54/911,920.14
  6. Step 6: Final answer
    x = 695,574.23

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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.