Home / 881,168.40-1,319,128.20-525,999.60

Finding the Fourth Proportional to 881,168.40, 1,319,128.20 and 525,999.60

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Solution

The fourth proportional to 881,168.40, 1,319,128.20 and 525,999.60 is: 787,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,168.40 : 1,319,128.20 = 525,999.60 : x
  2. Step 2: Convert to fraction form
    881,168.40/1,319,128.20 = 525,999.60/x
  3. Step 3: Cross multiply
    881,168.40x = 1,319,128.20 × 525,999.60
  4. Step 4: Simplify right side
    881,168.40x = 693,860,905,548.72
  5. Step 5: Solve for x
    x = 693,860,905,548.72/881,168.40
  6. Step 6: Final answer
    x = 787,432.81

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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.