Home / 874,145.57-1,310,195.25-334,048.19

Finding the Fourth Proportional to 874,145.57, 1,310,195.25 and 334,048.19

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Solution

The fourth proportional to 874,145.57, 1,310,195.25 and 334,048.19 is: 500,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,145.57 : 1,310,195.25 = 334,048.19 : x
  2. Step 2: Convert to fraction form
    874,145.57/1,310,195.25 = 334,048.19/x
  3. Step 3: Cross multiply
    874,145.57x = 1,310,195.25 × 334,048.19
  4. Step 4: Simplify right side
    874,145.57x = 437,668,345,258.12
  5. Step 5: Solve for x
    x = 437,668,345,258.12/874,145.57
  6. Step 6: Final answer
    x = 500,681.31

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Double scale
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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.