Home / 1,314,445.32-1,971,953.20-403,630.90

Finding the Fourth Proportional to 1,314,445.32, 1,971,953.20 and 403,630.90

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Solution

The fourth proportional to 1,314,445.32, 1,971,953.20 and 403,630.90 is: 605,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,445.32 : 1,971,953.20 = 403,630.90 : x
  2. Step 2: Convert to fraction form
    1,314,445.32/1,971,953.20 = 403,630.90/x
  3. Step 3: Cross multiply
    1,314,445.32x = 1,971,953.20 × 403,630.90
  4. Step 4: Simplify right side
    1,314,445.32x = 795,941,244,873.88
  5. Step 5: Solve for x
    x = 795,941,244,873.88/1,314,445.32
  6. Step 6: Final answer
    x = 605,533.93

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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.