Home / 730,809.69-1,008,721.13-501,404.33

Finding the Fourth Proportional to 730,809.69, 1,008,721.13 and 501,404.33

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Solution

The fourth proportional to 730,809.69, 1,008,721.13 and 501,404.33 is: 692,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,809.69 : 1,008,721.13 = 501,404.33 : x
  2. Step 2: Convert to fraction form
    730,809.69/1,008,721.13 = 501,404.33/x
  3. Step 3: Cross multiply
    730,809.69x = 1,008,721.13 × 501,404.33
  4. Step 4: Simplify right side
    730,809.69x = 505,777,134,793.87
  5. Step 5: Solve for x
    x = 505,777,134,793.87/730,809.69
  6. Step 6: Final answer
    x = 692,077.76

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Double scale
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1.5x scale

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.