Home / 1,049,208.46-1,448,019.80-641,549.23

Finding the Fourth Proportional to 1,049,208.46, 1,448,019.80 and 641,549.23

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Solution

The fourth proportional to 1,049,208.46, 1,448,019.80 and 641,549.23 is: 885,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,208.46 : 1,448,019.80 = 641,549.23 : x
  2. Step 2: Convert to fraction form
    1,049,208.46/1,448,019.80 = 641,549.23/x
  3. Step 3: Cross multiply
    1,049,208.46x = 1,448,019.80 × 641,549.23
  4. Step 4: Simplify right side
    1,049,208.46x = 928,975,987,714.75
  5. Step 5: Solve for x
    x = 928,975,987,714.75/1,049,208.46
  6. Step 6: Final answer
    x = 885,406.50

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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.