Home / 740,916.88-1,110,160.24-314,111.68

Finding the Fourth Proportional to 740,916.88, 1,110,160.24 and 314,111.68

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Solution

The fourth proportional to 740,916.88, 1,110,160.24 and 314,111.68 is: 470,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,916.88 : 1,110,160.24 = 314,111.68 : x
  2. Step 2: Convert to fraction form
    740,916.88/1,110,160.24 = 314,111.68/x
  3. Step 3: Cross multiply
    740,916.88x = 1,110,160.24 × 314,111.68
  4. Step 4: Simplify right side
    740,916.88x = 348,714,298,055.60
  5. Step 5: Solve for x
    x = 348,714,298,055.60/740,916.88
  6. Step 6: Final answer
    x = 470,652.39

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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.