Home / 1,085,698.80-1,628,300.28-411,854.94

Finding the Fourth Proportional to 1,085,698.80, 1,628,300.28 and 411,854.94

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Solution

The fourth proportional to 1,085,698.80, 1,628,300.28 and 411,854.94 is: 617,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,698.80 : 1,628,300.28 = 411,854.94 : x
  2. Step 2: Convert to fraction form
    1,085,698.80/1,628,300.28 = 411,854.94/x
  3. Step 3: Cross multiply
    1,085,698.80x = 1,628,300.28 × 411,854.94
  4. Step 4: Simplify right side
    1,085,698.80x = 670,623,514,121.38
  5. Step 5: Solve for x
    x = 670,623,514,121.38/1,085,698.80
  6. Step 6: Final answer
    x = 617,688.36

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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.