Home / 935,868.89-1,291,499.06-506,149.01

Finding the Fourth Proportional to 935,868.89, 1,291,499.06 and 506,149.01

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Solution

The fourth proportional to 935,868.89, 1,291,499.06 and 506,149.01 is: 698,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,868.89 : 1,291,499.06 = 506,149.01 : x
  2. Step 2: Convert to fraction form
    935,868.89/1,291,499.06 = 506,149.01/x
  3. Step 3: Cross multiply
    935,868.89x = 1,291,499.06 × 506,149.01
  4. Step 4: Simplify right side
    935,868.89x = 653,690,977,353.27
  5. Step 5: Solve for x
    x = 653,690,977,353.27/935,868.89
  6. Step 6: Final answer
    x = 698,485.64

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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.