Home / 751,520.26-1,037,076.50-429,223.70

Finding the Fourth Proportional to 751,520.26, 1,037,076.50 and 429,223.70

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Solution

The fourth proportional to 751,520.26, 1,037,076.50 and 429,223.70 is: 592,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,520.26 : 1,037,076.50 = 429,223.70 : x
  2. Step 2: Convert to fraction form
    751,520.26/1,037,076.50 = 429,223.70/x
  3. Step 3: Cross multiply
    751,520.26x = 1,037,076.50 × 429,223.70
  4. Step 4: Simplify right side
    751,520.26x = 445,137,812,513.05
  5. Step 5: Solve for x
    x = 445,137,812,513.05/751,520.26
  6. Step 6: Final answer
    x = 592,316.45

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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.