Home / 1,576,665.72-2,365,011.54-678,045.24

Finding the Fourth Proportional to 1,576,665.72, 2,365,011.54 and 678,045.24

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Solution

The fourth proportional to 1,576,665.72, 2,365,011.54 and 678,045.24 is: 1,017,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,665.72 : 2,365,011.54 = 678,045.24 : x
  2. Step 2: Convert to fraction form
    1,576,665.72/2,365,011.54 = 678,045.24/x
  3. Step 3: Cross multiply
    1,576,665.72x = 2,365,011.54 × 678,045.24
  4. Step 4: Simplify right side
    1,576,665.72x = 1,603,584,817,242.07
  5. Step 5: Solve for x
    x = 1,603,584,817,242.07/1,576,665.72
  6. Step 6: Final answer
    x = 1,017,073.43

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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.