Home / 1,256,533.75-1,733,885.35-712,495.63

Finding the Fourth Proportional to 1,256,533.75, 1,733,885.35 and 712,495.63

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Solution

The fourth proportional to 1,256,533.75, 1,733,885.35 and 712,495.63 is: 983,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,533.75 : 1,733,885.35 = 712,495.63 : x
  2. Step 2: Convert to fraction form
    1,256,533.75/1,733,885.35 = 712,495.63/x
  3. Step 3: Cross multiply
    1,256,533.75x = 1,733,885.35 × 712,495.63
  4. Step 4: Simplify right side
    1,256,533.75x = 1,235,385,734,796.02
  5. Step 5: Solve for x
    x = 1,235,385,734,796.02/1,256,533.75
  6. Step 6: Final answer
    x = 983,169.56

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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.