Home / 897,015.76-1,345,921.08-476,190.16

Finding the Fourth Proportional to 897,015.76, 1,345,921.08 and 476,190.16

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Solution

The fourth proportional to 897,015.76, 1,345,921.08 and 476,190.16 is: 714,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,015.76 : 1,345,921.08 = 476,190.16 : x
  2. Step 2: Convert to fraction form
    897,015.76/1,345,921.08 = 476,190.16/x
  3. Step 3: Cross multiply
    897,015.76x = 1,345,921.08 × 476,190.16
  4. Step 4: Simplify right side
    897,015.76x = 640,914,374,432.57
  5. Step 5: Solve for x
    x = 640,914,374,432.57/897,015.76
  6. Step 6: Final answer
    x = 714,496.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.