Home / 732,669.60-1,099,004.40-520,093.20

Finding the Fourth Proportional to 732,669.60, 1,099,004.40 and 520,093.20

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Solution

The fourth proportional to 732,669.60, 1,099,004.40 and 520,093.20 is: 780,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,669.60 : 1,099,004.40 = 520,093.20 : x
  2. Step 2: Convert to fraction form
    732,669.60/1,099,004.40 = 520,093.20/x
  3. Step 3: Cross multiply
    732,669.60x = 1,099,004.40 × 520,093.20
  4. Step 4: Simplify right side
    732,669.60x = 571,584,715,210.08
  5. Step 5: Solve for x
    x = 571,584,715,210.08/732,669.60
  6. Step 6: Final answer
    x = 780,139.80

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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.