Home / 1,090,668.36-1,636,684.56-416,807.22

Finding the Fourth Proportional to 1,090,668.36, 1,636,684.56 and 416,807.22

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Solution

The fourth proportional to 1,090,668.36, 1,636,684.56 and 416,807.22 is: 625,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,668.36 : 1,636,684.56 = 416,807.22 : x
  2. Step 2: Convert to fraction form
    1,090,668.36/1,636,684.56 = 416,807.22/x
  3. Step 3: Cross multiply
    1,090,668.36x = 1,636,684.56 × 416,807.22
  4. Step 4: Simplify right side
    1,090,668.36x = 682,181,941,470.52
  5. Step 5: Solve for x
    x = 682,181,941,470.52/1,090,668.36
  6. Step 6: Final answer
    x = 625,471.47

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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.