Home / 575,278.12-862,729.40-190,923.76

Finding the Fourth Proportional to 575,278.12, 862,729.40 and 190,923.76

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Solution

The fourth proportional to 575,278.12, 862,729.40 and 190,923.76 is: 286,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,278.12 : 862,729.40 = 190,923.76 : x
  2. Step 2: Convert to fraction form
    575,278.12/862,729.40 = 190,923.76/x
  3. Step 3: Cross multiply
    575,278.12x = 862,729.40 × 190,923.76
  4. Step 4: Simplify right side
    575,278.12x = 164,715,540,910.54
  5. Step 5: Solve for x
    x = 164,715,540,910.54/575,278.12
  6. Step 6: Final answer
    x = 286,323.32

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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.