Home / 1,643,383.80-2,465,075.70-521,566.20

Finding the Fourth Proportional to 1,643,383.80, 2,465,075.70 and 521,566.20

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Solution

The fourth proportional to 1,643,383.80, 2,465,075.70 and 521,566.20 is: 782,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,383.80 : 2,465,075.70 = 521,566.20 : x
  2. Step 2: Convert to fraction form
    1,643,383.80/2,465,075.70 = 521,566.20/x
  3. Step 3: Cross multiply
    1,643,383.80x = 2,465,075.70 × 521,566.20
  4. Step 4: Simplify right side
    1,643,383.80x = 1,285,700,165,561.34
  5. Step 5: Solve for x
    x = 1,285,700,165,561.34/1,643,383.80
  6. Step 6: Final answer
    x = 782,349.30

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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.