Home / 1,480,746.38-2,221,255.10-415,781.25

Finding the Fourth Proportional to 1,480,746.38, 2,221,255.10 and 415,781.25

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Solution

The fourth proportional to 1,480,746.38, 2,221,255.10 and 415,781.25 is: 623,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,746.38 : 2,221,255.10 = 415,781.25 : x
  2. Step 2: Convert to fraction form
    1,480,746.38/2,221,255.10 = 415,781.25/x
  3. Step 3: Cross multiply
    1,480,746.38x = 2,221,255.10 × 415,781.25
  4. Step 4: Simplify right side
    1,480,746.38x = 923,556,219,967.97
  5. Step 5: Solve for x
    x = 923,556,219,967.97/1,480,746.38
  6. Step 6: Final answer
    x = 623,709.93

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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.