Home / 738,009.40-1,104,389.70-675,023.80

Finding the Fourth Proportional to 738,009.40, 1,104,389.70 and 675,023.80

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Solution

The fourth proportional to 738,009.40, 1,104,389.70 and 675,023.80 is: 1,010,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,009.40 : 1,104,389.70 = 675,023.80 : x
  2. Step 2: Convert to fraction form
    738,009.40/1,104,389.70 = 675,023.80/x
  3. Step 3: Cross multiply
    738,009.40x = 1,104,389.70 × 675,023.80
  4. Step 4: Simplify right side
    738,009.40x = 745,489,331,974.86
  5. Step 5: Solve for x
    x = 745,489,331,974.86/738,009.40
  6. Step 6: Final answer
    x = 1,010,135.28

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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.