Home / 1,257,402.51-1,886,104.38-415,954.26

Finding the Fourth Proportional to 1,257,402.51, 1,886,104.38 and 415,954.26

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Solution

The fourth proportional to 1,257,402.51, 1,886,104.38 and 415,954.26 is: 623,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,402.51 : 1,886,104.38 = 415,954.26 : x
  2. Step 2: Convert to fraction form
    1,257,402.51/1,886,104.38 = 415,954.26/x
  3. Step 3: Cross multiply
    1,257,402.51x = 1,886,104.38 × 415,954.26
  4. Step 4: Simplify right side
    1,257,402.51x = 784,533,151,665.66
  5. Step 5: Solve for x
    x = 784,533,151,665.66/1,257,402.51
  6. Step 6: Final answer
    x = 623,931.59

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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.