Home / 863,408.32-1,191,518.16-476,268.16

Finding the Fourth Proportional to 863,408.32, 1,191,518.16 and 476,268.16

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Solution

The fourth proportional to 863,408.32, 1,191,518.16 and 476,268.16 is: 657,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,408.32 : 1,191,518.16 = 476,268.16 : x
  2. Step 2: Convert to fraction form
    863,408.32/1,191,518.16 = 476,268.16/x
  3. Step 3: Cross multiply
    863,408.32x = 1,191,518.16 × 476,268.16
  4. Step 4: Simplify right side
    863,408.32x = 567,482,161,669.79
  5. Step 5: Solve for x
    x = 567,482,161,669.79/863,408.32
  6. Step 6: Final answer
    x = 657,258.16

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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.