Home / 1,181,762.22-1,630,667.79-665,429.34

Finding the Fourth Proportional to 1,181,762.22, 1,630,667.79 and 665,429.34

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Solution

The fourth proportional to 1,181,762.22, 1,630,667.79 and 665,429.34 is: 918,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,762.22 : 1,630,667.79 = 665,429.34 : x
  2. Step 2: Convert to fraction form
    1,181,762.22/1,630,667.79 = 665,429.34/x
  3. Step 3: Cross multiply
    1,181,762.22x = 1,630,667.79 × 665,429.34
  4. Step 4: Simplify right side
    1,181,762.22x = 1,085,094,191,258.96
  5. Step 5: Solve for x
    x = 1,085,094,191,258.96/1,181,762.22
  6. Step 6: Final answer
    x = 918,200.10

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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.