Home / 1,184,475.60-1,634,576.22-640,611.36

Finding the Fourth Proportional to 1,184,475.60, 1,634,576.22 and 640,611.36

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Solution

The fourth proportional to 1,184,475.60, 1,634,576.22 and 640,611.36 is: 884,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,475.60 : 1,634,576.22 = 640,611.36 : x
  2. Step 2: Convert to fraction form
    1,184,475.60/1,634,576.22 = 640,611.36/x
  3. Step 3: Cross multiply
    1,184,475.60x = 1,634,576.22 × 640,611.36
  4. Step 4: Simplify right side
    1,184,475.60x = 1,047,128,095,317.86
  5. Step 5: Solve for x
    x = 1,047,128,095,317.86/1,184,475.60
  6. Step 6: Final answer
    x = 884,043.62

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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.