Home / 757,328.58-1,045,116.36-413,172.23

Finding the Fourth Proportional to 757,328.58, 1,045,116.36 and 413,172.23

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Solution

The fourth proportional to 757,328.58, 1,045,116.36 and 413,172.23 is: 570,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,328.58 : 1,045,116.36 = 413,172.23 : x
  2. Step 2: Convert to fraction form
    757,328.58/1,045,116.36 = 413,172.23/x
  3. Step 3: Cross multiply
    757,328.58x = 1,045,116.36 × 413,172.23
  4. Step 4: Simplify right side
    757,328.58x = 431,813,051,845.10
  5. Step 5: Solve for x
    x = 431,813,051,845.10/757,328.58
  6. Step 6: Final answer
    x = 570,179.26

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Double scale
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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.