Home / 1,576,330.60-2,363,912.70-511,407.40

Finding the Fourth Proportional to 1,576,330.60, 2,363,912.70 and 511,407.40

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Solution

The fourth proportional to 1,576,330.60, 2,363,912.70 and 511,407.40 is: 766,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,330.60 : 2,363,912.70 = 511,407.40 : x
  2. Step 2: Convert to fraction form
    1,576,330.60/2,363,912.70 = 511,407.40/x
  3. Step 3: Cross multiply
    1,576,330.60x = 2,363,912.70 × 511,407.40
  4. Step 4: Simplify right side
    1,576,330.60x = 1,208,922,447,733.98
  5. Step 5: Solve for x
    x = 1,208,922,447,733.98/1,576,330.60
  6. Step 6: Final answer
    x = 766,921.89

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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.