Home / 497,193.14-686,075.40-279,367.22

Finding the Fourth Proportional to 497,193.14, 686,075.40 and 279,367.22

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Solution

The fourth proportional to 497,193.14, 686,075.40 and 279,367.22 is: 385,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,193.14 : 686,075.40 = 279,367.22 : x
  2. Step 2: Convert to fraction form
    497,193.14/686,075.40 = 279,367.22/x
  3. Step 3: Cross multiply
    497,193.14x = 686,075.40 × 279,367.22
  4. Step 4: Simplify right side
    497,193.14x = 191,666,977,208.39
  5. Step 5: Solve for x
    x = 191,666,977,208.39/497,193.14
  6. Step 6: Final answer
    x = 385,498.03

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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.