Home / 626,352.54-939,441.33-266,667.60

Finding the Fourth Proportional to 626,352.54, 939,441.33 and 266,667.60

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Solution

The fourth proportional to 626,352.54, 939,441.33 and 266,667.60 is: 399,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,352.54 : 939,441.33 = 266,667.60 : x
  2. Step 2: Convert to fraction form
    626,352.54/939,441.33 = 266,667.60/x
  3. Step 3: Cross multiply
    626,352.54x = 939,441.33 × 266,667.60
  4. Step 4: Simplify right side
    626,352.54x = 250,518,564,811.91
  5. Step 5: Solve for x
    x = 250,518,564,811.91/626,352.54
  6. Step 6: Final answer
    x = 399,964.16

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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.