Home / 911,918.17-1,258,512.20-504,011.25

Finding the Fourth Proportional to 911,918.17, 1,258,512.20 and 504,011.25

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Solution

The fourth proportional to 911,918.17, 1,258,512.20 and 504,011.25 is: 695,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,918.17 : 1,258,512.20 = 504,011.25 : x
  2. Step 2: Convert to fraction form
    911,918.17/1,258,512.20 = 504,011.25/x
  3. Step 3: Cross multiply
    911,918.17x = 1,258,512.20 × 504,011.25
  4. Step 4: Simplify right side
    911,918.17x = 634,304,299,822.77
  5. Step 5: Solve for x
    x = 634,304,299,822.77/911,918.17
  6. Step 6: Final answer
    x = 695,571.51

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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.