Home / 2,075,617.80-3,113,135.10-655,817.40

Finding the Fourth Proportional to 2,075,617.80, 3,113,135.10 and 655,817.40

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Solution

The fourth proportional to 2,075,617.80, 3,113,135.10 and 655,817.40 is: 983,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,617.80 : 3,113,135.10 = 655,817.40 : x
  2. Step 2: Convert to fraction form
    2,075,617.80/3,113,135.10 = 655,817.40/x
  3. Step 3: Cross multiply
    2,075,617.80x = 3,113,135.10 × 655,817.40
  4. Step 4: Simplify right side
    2,075,617.80x = 2,041,648,167,130.74
  5. Step 5: Solve for x
    x = 2,041,648,167,130.74/2,075,617.80
  6. Step 6: Final answer
    x = 983,633.97

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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.