Home / 1,300,509.53-1,794,662.61-719,697.71

Finding the Fourth Proportional to 1,300,509.53, 1,794,662.61 and 719,697.71

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Solution

The fourth proportional to 1,300,509.53, 1,794,662.61 and 719,697.71 is: 993,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,509.53 : 1,794,662.61 = 719,697.71 : x
  2. Step 2: Convert to fraction form
    1,300,509.53/1,794,662.61 = 719,697.71/x
  3. Step 3: Cross multiply
    1,300,509.53x = 1,794,662.61 × 719,697.71
  4. Step 4: Simplify right side
    1,300,509.53x = 1,291,614,561,666.31
  5. Step 5: Solve for x
    x = 1,291,614,561,666.31/1,300,509.53
  6. Step 6: Final answer
    x = 993,160.40

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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.