Home / 863,549.20-1,191,643.96-476,369.10

Finding the Fourth Proportional to 863,549.20, 1,191,643.96 and 476,369.10

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Solution

The fourth proportional to 863,549.20, 1,191,643.96 and 476,369.10 is: 657,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,549.20 : 1,191,643.96 = 476,369.10 : x
  2. Step 2: Convert to fraction form
    863,549.20/1,191,643.96 = 476,369.10/x
  3. Step 3: Cross multiply
    863,549.20x = 1,191,643.96 × 476,369.10
  4. Step 4: Simplify right side
    863,549.20x = 567,662,360,745.64
  5. Step 5: Solve for x
    x = 567,662,360,745.64/863,549.20
  6. Step 6: Final answer
    x = 657,359.60

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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.