Home / 932,445.32-1,399,976.53-477,361.60

Finding the Fourth Proportional to 932,445.32, 1,399,976.53 and 477,361.60

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Solution

The fourth proportional to 932,445.32, 1,399,976.53 and 477,361.60 is: 716,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,445.32 : 1,399,976.53 = 477,361.60 : x
  2. Step 2: Convert to fraction form
    932,445.32/1,399,976.53 = 477,361.60/x
  3. Step 3: Cross multiply
    932,445.32x = 1,399,976.53 × 477,361.60
  4. Step 4: Simplify right side
    932,445.32x = 668,295,031,629.90
  5. Step 5: Solve for x
    x = 668,295,031,629.90/932,445.32
  6. Step 6: Final answer
    x = 716,712.31

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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.