Home / 700,090.20-1,050,135.30-532,128.60

Finding the Fourth Proportional to 700,090.20, 1,050,135.30 and 532,128.60

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Solution

The fourth proportional to 700,090.20, 1,050,135.30 and 532,128.60 is: 798,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,090.20 : 1,050,135.30 = 532,128.60 : x
  2. Step 2: Convert to fraction form
    700,090.20/1,050,135.30 = 532,128.60/x
  3. Step 3: Cross multiply
    700,090.20x = 1,050,135.30 × 532,128.60
  4. Step 4: Simplify right side
    700,090.20x = 558,807,026,999.58
  5. Step 5: Solve for x
    x = 558,807,026,999.58/700,090.20
  6. Step 6: Final answer
    x = 798,192.90

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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.