Home / 553,577.20-829,847.40-433,567.60

Finding the Fourth Proportional to 553,577.20, 829,847.40 and 433,567.60

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Solution

The fourth proportional to 553,577.20, 829,847.40 and 433,567.60 is: 649,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,577.20 : 829,847.40 = 433,567.60 : x
  2. Step 2: Convert to fraction form
    553,577.20/829,847.40 = 433,567.60/x
  3. Step 3: Cross multiply
    553,577.20x = 829,847.40 × 433,567.60
  4. Step 4: Simplify right side
    553,577.20x = 359,794,945,584.24
  5. Step 5: Solve for x
    x = 359,794,945,584.24/553,577.20
  6. Step 6: Final answer
    x = 649,945.38

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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.