Home / 737,346.34-1,106,019.51-421,581.81

Finding the Fourth Proportional to 737,346.34, 1,106,019.51 and 421,581.81

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Solution

The fourth proportional to 737,346.34, 1,106,019.51 and 421,581.81 is: 632,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,346.34 : 1,106,019.51 = 421,581.81 : x
  2. Step 2: Convert to fraction form
    737,346.34/1,106,019.51 = 421,581.81/x
  3. Step 3: Cross multiply
    737,346.34x = 1,106,019.51 × 421,581.81
  4. Step 4: Simplify right side
    737,346.34x = 466,277,706,921.11
  5. Step 5: Solve for x
    x = 466,277,706,921.11/737,346.34
  6. Step 6: Final answer
    x = 632,372.72

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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.