Home / 935,635.51-1,291,176.10-505,914.61

Finding the Fourth Proportional to 935,635.51, 1,291,176.10 and 505,914.61

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Solution

The fourth proportional to 935,635.51, 1,291,176.10 and 505,914.61 is: 698,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,635.51 : 1,291,176.10 = 505,914.61 : x
  2. Step 2: Convert to fraction form
    935,635.51/1,291,176.10 = 505,914.61/x
  3. Step 3: Cross multiply
    935,635.51x = 1,291,176.10 × 505,914.61
  4. Step 4: Simplify right side
    935,635.51x = 653,224,850,052.46
  5. Step 5: Solve for x
    x = 653,224,850,052.46/935,635.51
  6. Step 6: Final answer
    x = 698,161.67

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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.