Home / 734,127.21-1,101,146.56-436,501.79

Finding the Fourth Proportional to 734,127.21, 1,101,146.56 and 436,501.79

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Solution

The fourth proportional to 734,127.21, 1,101,146.56 and 436,501.79 is: 654,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,127.21 : 1,101,146.56 = 436,501.79 : x
  2. Step 2: Convert to fraction form
    734,127.21/1,101,146.56 = 436,501.79/x
  3. Step 3: Cross multiply
    734,127.21x = 1,101,146.56 × 436,501.79
  4. Step 4: Simplify right side
    734,127.21x = 480,652,444,821.64
  5. Step 5: Solve for x
    x = 480,652,444,821.64/734,127.21
  6. Step 6: Final answer
    x = 654,726.38

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Double scale
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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.