Home / 949,555.37-1,310,028.69-623,048.63

Finding the Fourth Proportional to 949,555.37, 1,310,028.69 and 623,048.63

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Solution

The fourth proportional to 949,555.37, 1,310,028.69 and 623,048.63 is: 859,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,555.37 : 1,310,028.69 = 623,048.63 : x
  2. Step 2: Convert to fraction form
    949,555.37/1,310,028.69 = 623,048.63/x
  3. Step 3: Cross multiply
    949,555.37x = 1,310,028.69 × 623,048.63
  4. Step 4: Simplify right side
    949,555.37x = 816,211,576,351.48
  5. Step 5: Solve for x
    x = 816,211,576,351.48/949,555.37
  6. Step 6: Final answer
    x = 859,572.39

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.