Home / 1,059,128.60-1,588,193.73-384,734.48

Finding the Fourth Proportional to 1,059,128.60, 1,588,193.73 and 384,734.48

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Solution

The fourth proportional to 1,059,128.60, 1,588,193.73 and 384,734.48 is: 576,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,128.60 : 1,588,193.73 = 384,734.48 : x
  2. Step 2: Convert to fraction form
    1,059,128.60/1,588,193.73 = 384,734.48/x
  3. Step 3: Cross multiply
    1,059,128.60x = 1,588,193.73 × 384,734.48
  4. Step 4: Simplify right side
    1,059,128.60x = 611,032,888,850.81
  5. Step 5: Solve for x
    x = 611,032,888,850.81/1,059,128.60
  6. Step 6: Final answer
    x = 576,920.39

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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.