Home / 1,114,716.40-1,669,897.80-529,643.38

Finding the Fourth Proportional to 1,114,716.40, 1,669,897.80 and 529,643.38

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Solution

The fourth proportional to 1,114,716.40, 1,669,897.80 and 529,643.38 is: 793,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,716.40 : 1,669,897.80 = 529,643.38 : x
  2. Step 2: Convert to fraction form
    1,114,716.40/1,669,897.80 = 529,643.38/x
  3. Step 3: Cross multiply
    1,114,716.40x = 1,669,897.80 × 529,643.38
  4. Step 4: Simplify right side
    1,114,716.40x = 884,450,315,046.56
  5. Step 5: Solve for x
    x = 884,450,315,046.56/1,114,716.40
  6. Step 6: Final answer
    x = 793,430.79

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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.