Home / 1,272,539.42-1,756,137.93-699,594.02

Finding the Fourth Proportional to 1,272,539.42, 1,756,137.93 and 699,594.02

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Solution

The fourth proportional to 1,272,539.42, 1,756,137.93 and 699,594.02 is: 965,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,539.42 : 1,756,137.93 = 699,594.02 : x
  2. Step 2: Convert to fraction form
    1,272,539.42/1,756,137.93 = 699,594.02/x
  3. Step 3: Cross multiply
    1,272,539.42x = 1,756,137.93 × 699,594.02
  4. Step 4: Simplify right side
    1,272,539.42x = 1,228,583,594,123.18
  5. Step 5: Solve for x
    x = 1,228,583,594,123.18/1,272,539.42
  6. Step 6: Final answer
    x = 965,458.18

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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.