Home / 405,926.04-560,453.58-253,025.40

Finding the Fourth Proportional to 405,926.04, 560,453.58 and 253,025.40

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Solution

The fourth proportional to 405,926.04, 560,453.58 and 253,025.40 is: 349,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,926.04 : 560,453.58 = 253,025.40 : x
  2. Step 2: Convert to fraction form
    405,926.04/560,453.58 = 253,025.40/x
  3. Step 3: Cross multiply
    405,926.04x = 560,453.58 × 253,025.40
  4. Step 4: Simplify right side
    405,926.04x = 141,808,991,260.93
  5. Step 5: Solve for x
    x = 141,808,991,260.93/405,926.04
  6. Step 6: Final answer
    x = 349,346.87

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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.