Home / 1,576,409.88-2,364,946.92-511,368.78

Finding the Fourth Proportional to 1,576,409.88, 2,364,946.92 and 511,368.78

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Solution

The fourth proportional to 1,576,409.88, 2,364,946.92 and 511,368.78 is: 767,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,409.88 : 2,364,946.92 = 511,368.78 : x
  2. Step 2: Convert to fraction form
    1,576,409.88/2,364,946.92 = 511,368.78/x
  3. Step 3: Cross multiply
    1,576,409.88x = 2,364,946.92 × 511,368.78
  4. Step 4: Simplify right side
    1,576,409.88x = 1,209,360,021,245.16
  5. Step 5: Solve for x
    x = 1,209,360,021,245.16/1,576,409.88
  6. Step 6: Final answer
    x = 767,160.90

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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.