Home / 935,700.44-1,291,266.70-505,980.54

Finding the Fourth Proportional to 935,700.44, 1,291,266.70 and 505,980.54

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Solution

The fourth proportional to 935,700.44, 1,291,266.70 and 505,980.54 is: 698,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,700.44 : 1,291,266.70 = 505,980.54 : x
  2. Step 2: Convert to fraction form
    935,700.44/1,291,266.70 = 505,980.54/x
  3. Step 3: Cross multiply
    935,700.44x = 1,291,266.70 × 505,980.54
  4. Step 4: Simplify right side
    935,700.44x = 653,355,822,150.02
  5. Step 5: Solve for x
    x = 653,355,822,150.02/935,700.44
  6. Step 6: Final answer
    x = 698,253.20

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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.