Home / 863,574.30-1,191,733.65-476,380.98

Finding the Fourth Proportional to 863,574.30, 1,191,733.65 and 476,380.98

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Solution

The fourth proportional to 863,574.30, 1,191,733.65 and 476,380.98 is: 657,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,574.30 : 1,191,733.65 = 476,380.98 : x
  2. Step 2: Convert to fraction form
    863,574.30/1,191,733.65 = 476,380.98/x
  3. Step 3: Cross multiply
    863,574.30x = 1,191,733.65 × 476,380.98
  4. Step 4: Simplify right side
    863,574.30x = 567,719,244,085.98
  5. Step 5: Solve for x
    x = 567,719,244,085.98/863,574.30
  6. Step 6: Final answer
    x = 657,406.37

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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.