Home / 1,576,938.60-2,365,991.10-512,015.40

Finding the Fourth Proportional to 1,576,938.60, 2,365,991.10 and 512,015.40

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Solution

The fourth proportional to 1,576,938.60, 2,365,991.10 and 512,015.40 is: 768,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,938.60 : 2,365,991.10 = 512,015.40 : x
  2. Step 2: Convert to fraction form
    1,576,938.60/2,365,991.10 = 512,015.40/x
  3. Step 3: Cross multiply
    1,576,938.60x = 2,365,991.10 × 512,015.40
  4. Step 4: Simplify right side
    1,576,938.60x = 1,211,423,879,462.94
  5. Step 5: Solve for x
    x = 1,211,423,879,462.94/1,576,938.60
  6. Step 6: Final answer
    x = 768,212.46

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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.