Home / 1,237,626.06-1,856,440.80-339,075.60

Finding the Fourth Proportional to 1,237,626.06, 1,856,440.80 and 339,075.60

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Solution

The fourth proportional to 1,237,626.06, 1,856,440.80 and 339,075.60 is: 508,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,626.06 : 1,856,440.80 = 339,075.60 : x
  2. Step 2: Convert to fraction form
    1,237,626.06/1,856,440.80 = 339,075.60/x
  3. Step 3: Cross multiply
    1,237,626.06x = 1,856,440.80 × 339,075.60
  4. Step 4: Simplify right side
    1,237,626.06x = 629,473,778,124.48
  5. Step 5: Solve for x
    x = 629,473,778,124.48/1,237,626.06
  6. Step 6: Final answer
    x = 508,613.87

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Double scale
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Similar ratio
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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.