Home / 649,336.80-973,349.10-294,605.40

Finding the Fourth Proportional to 649,336.80, 973,349.10 and 294,605.40

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Solution

The fourth proportional to 649,336.80, 973,349.10 and 294,605.40 is: 441,610.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,336.80 : 973,349.10 = 294,605.40 : x
  2. Step 2: Convert to fraction form
    649,336.80/973,349.10 = 294,605.40/x
  3. Step 3: Cross multiply
    649,336.80x = 973,349.10 × 294,605.40
  4. Step 4: Simplify right side
    649,336.80x = 286,753,900,945.14
  5. Step 5: Solve for x
    x = 286,753,900,945.14/649,336.80
  6. Step 6: Final answer
    x = 441,610.43

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1.5x scale

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.