Home / 1,500,788.33-2,071,085.51-812,460

Finding the Fourth Proportional to 1,500,788.33, 2,071,085.51 and 812,460

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Solution

The fourth proportional to 1,500,788.33, 2,071,085.51 and 812,460 is: 1,121,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,788.33 : 2,071,085.51 = 812,460 : x
  2. Step 2: Convert to fraction form
    1,500,788.33/2,071,085.51 = 812,460/x
  3. Step 3: Cross multiply
    1,500,788.33x = 2,071,085.51 × 812,460
  4. Step 4: Simplify right side
    1,500,788.33x = 1,682,674,135,485.75
  5. Step 5: Solve for x
    x = 1,682,674,135,485.75/1,500,788.33
  6. Step 6: Final answer
    x = 1,121,193.51

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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.