Home / 404,995.12-554,036.23-403,289.26

Finding the Fourth Proportional to 404,995.12, 554,036.23 and 403,289.26

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Solution

The fourth proportional to 404,995.12, 554,036.23 and 403,289.26 is: 551,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,995.12 : 554,036.23 = 403,289.26 : x
  2. Step 2: Convert to fraction form
    404,995.12/554,036.23 = 403,289.26/x
  3. Step 3: Cross multiply
    404,995.12x = 554,036.23 × 403,289.26
  4. Step 4: Simplify right side
    404,995.12x = 223,436,859,193.44
  5. Step 5: Solve for x
    x = 223,436,859,193.44/404,995.12
  6. Step 6: Final answer
    x = 551,702.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.