Home / 1,312,954.16-1,969,431.03-415,026.23

Finding the Fourth Proportional to 1,312,954.16, 1,969,431.03 and 415,026.23

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Solution

The fourth proportional to 1,312,954.16, 1,969,431.03 and 415,026.23 is: 622,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,954.16 : 1,969,431.03 = 415,026.23 : x
  2. Step 2: Convert to fraction form
    1,312,954.16/1,969,431.03 = 415,026.23/x
  3. Step 3: Cross multiply
    1,312,954.16x = 1,969,431.03 × 415,026.23
  4. Step 4: Simplify right side
    1,312,954.16x = 817,365,525,778.76
  5. Step 5: Solve for x
    x = 817,365,525,778.76/1,312,954.16
  6. Step 6: Final answer
    x = 622,539.27

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Double scale
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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.