Home / 863,177.40-1,191,157.51-476,009.14

Finding the Fourth Proportional to 863,177.40, 1,191,157.51 and 476,009.14

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Solution

The fourth proportional to 863,177.40, 1,191,157.51 and 476,009.14 is: 656,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,177.40 : 1,191,157.51 = 476,009.14 : x
  2. Step 2: Convert to fraction form
    863,177.40/1,191,157.51 = 476,009.14/x
  3. Step 3: Cross multiply
    863,177.40x = 1,191,157.51 × 476,009.14
  4. Step 4: Simplify right side
    863,177.40x = 567,001,861,939.64
  5. Step 5: Solve for x
    x = 567,001,861,939.64/863,177.40
  6. Step 6: Final answer
    x = 656,877.56

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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.