Home / 648,186.24-894,438.72-406,391.52

Finding the Fourth Proportional to 648,186.24, 894,438.72 and 406,391.52

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Solution

The fourth proportional to 648,186.24, 894,438.72 and 406,391.52 is: 560,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,186.24 : 894,438.72 = 406,391.52 : x
  2. Step 2: Convert to fraction form
    648,186.24/894,438.72 = 406,391.52/x
  3. Step 3: Cross multiply
    648,186.24x = 894,438.72 × 406,391.52
  4. Step 4: Simplify right side
    648,186.24x = 363,492,310,967.65
  5. Step 5: Solve for x
    x = 363,492,310,967.65/648,186.24
  6. Step 6: Final answer
    x = 560,783.75

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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.