Home / 935,528.99-1,291,028.90-505,808.10

Finding the Fourth Proportional to 935,528.99, 1,291,028.90 and 505,808.10

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Solution

The fourth proportional to 935,528.99, 1,291,028.90 and 505,808.10 is: 698,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,528.99 : 1,291,028.90 = 505,808.10 : x
  2. Step 2: Convert to fraction form
    935,528.99/1,291,028.90 = 505,808.10/x
  3. Step 3: Cross multiply
    935,528.99x = 1,291,028.90 × 505,808.10
  4. Step 4: Simplify right side
    935,528.99x = 653,012,872,425.05
  5. Step 5: Solve for x
    x = 653,012,872,425.05/935,528.99
  6. Step 6: Final answer
    x = 698,014.58

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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.