Home / 1,426,966.72-2,140,566.56-716,629.44

Finding the Fourth Proportional to 1,426,966.72, 2,140,566.56 and 716,629.44

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Solution

The fourth proportional to 1,426,966.72, 2,140,566.56 and 716,629.44 is: 1,075,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,966.72 : 2,140,566.56 = 716,629.44 : x
  2. Step 2: Convert to fraction form
    1,426,966.72/2,140,566.56 = 716,629.44/x
  3. Step 3: Cross multiply
    1,426,966.72x = 2,140,566.56 × 716,629.44
  4. Step 4: Simplify right side
    1,426,966.72x = 1,533,993,015,175.53
  5. Step 5: Solve for x
    x = 1,533,993,015,175.53/1,426,966.72
  6. Step 6: Final answer
    x = 1,075,002.66

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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.