Home / 649,784.56-972,314.88-536,410.48

Finding the Fourth Proportional to 649,784.56, 972,314.88 and 536,410.48

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Solution

The fourth proportional to 649,784.56, 972,314.88 and 536,410.48 is: 802,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,784.56 : 972,314.88 = 536,410.48 : x
  2. Step 2: Convert to fraction form
    649,784.56/972,314.88 = 536,410.48/x
  3. Step 3: Cross multiply
    649,784.56x = 972,314.88 × 536,410.48
  4. Step 4: Simplify right side
    649,784.56x = 521,559,891,491.94
  5. Step 5: Solve for x
    x = 521,559,891,491.94/649,784.56
  6. Step 6: Final answer
    x = 802,665.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.