Home / 842,450.90-1,162,582.81-460,477.64

Finding the Fourth Proportional to 842,450.90, 1,162,582.81 and 460,477.64

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Solution

The fourth proportional to 842,450.90, 1,162,582.81 and 460,477.64 is: 635,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,450.90 : 1,162,582.81 = 460,477.64 : x
  2. Step 2: Convert to fraction form
    842,450.90/1,162,582.81 = 460,477.64/x
  3. Step 3: Cross multiply
    842,450.90x = 1,162,582.81 × 460,477.64
  4. Step 4: Simplify right side
    842,450.90x = 535,343,390,408.63
  5. Step 5: Solve for x
    x = 535,343,390,408.63/842,450.90
  6. Step 6: Final answer
    x = 635,459.46

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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.