Home / 644,834.59-889,800.93-372,861.29

Finding the Fourth Proportional to 644,834.59, 889,800.93 and 372,861.29

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Solution

The fourth proportional to 644,834.59, 889,800.93 and 372,861.29 is: 514,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,834.59 : 889,800.93 = 372,861.29 : x
  2. Step 2: Convert to fraction form
    644,834.59/889,800.93 = 372,861.29/x
  3. Step 3: Cross multiply
    644,834.59x = 889,800.93 × 372,861.29
  4. Step 4: Simplify right side
    644,834.59x = 331,772,324,827.50
  5. Step 5: Solve for x
    x = 331,772,324,827.50/644,834.59
  6. Step 6: Final answer
    x = 514,507.64

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1.5x scale

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.