Home / 1,678,977.98-2,316,997.40-953,865.47

Finding the Fourth Proportional to 1,678,977.98, 2,316,997.40 and 953,865.47

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Solution

The fourth proportional to 1,678,977.98, 2,316,997.40 and 953,865.47 is: 1,316,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,977.98 : 2,316,997.40 = 953,865.47 : x
  2. Step 2: Convert to fraction form
    1,678,977.98/2,316,997.40 = 953,865.47/x
  3. Step 3: Cross multiply
    1,678,977.98x = 2,316,997.40 × 953,865.47
  4. Step 4: Simplify right side
    1,678,977.98x = 2,210,103,813,939.78
  5. Step 5: Solve for x
    x = 2,210,103,813,939.78/1,678,977.98
  6. Step 6: Final answer
    x = 1,316,338.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.