Home / 714,416.12-1,071,810.91-414,608.49

Finding the Fourth Proportional to 714,416.12, 1,071,810.91 and 414,608.49

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Solution

The fourth proportional to 714,416.12, 1,071,810.91 and 414,608.49 is: 622,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,416.12 : 1,071,810.91 = 414,608.49 : x
  2. Step 2: Convert to fraction form
    714,416.12/1,071,810.91 = 414,608.49/x
  3. Step 3: Cross multiply
    714,416.12x = 1,071,810.91 × 414,608.49
  4. Step 4: Simplify right side
    714,416.12x = 444,381,902,960.63
  5. Step 5: Solve for x
    x = 444,381,902,960.63/714,416.12
  6. Step 6: Final answer
    x = 622,021.10

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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.