Home / 1,171,870.20-1,757,862.90-611,998.20

Finding the Fourth Proportional to 1,171,870.20, 1,757,862.90 and 611,998.20

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Solution

The fourth proportional to 1,171,870.20, 1,757,862.90 and 611,998.20 is: 918,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,870.20 : 1,757,862.90 = 611,998.20 : x
  2. Step 2: Convert to fraction form
    1,171,870.20/1,757,862.90 = 611,998.20/x
  3. Step 3: Cross multiply
    1,171,870.20x = 1,757,862.90 × 611,998.20
  4. Step 4: Simplify right side
    1,171,870.20x = 1,075,808,930,646.78
  5. Step 5: Solve for x
    x = 1,075,808,930,646.78/1,171,870.20
  6. Step 6: Final answer
    x = 918,027.38

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1.5x scale

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.