Home / 1,991,045.64-2,986,166.70-570,720.36

Finding the Fourth Proportional to 1,991,045.64, 2,986,166.70 and 570,720.36

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Solution

The fourth proportional to 1,991,045.64, 2,986,166.70 and 570,720.36 is: 855,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,045.64 : 2,986,166.70 = 570,720.36 : x
  2. Step 2: Convert to fraction form
    1,991,045.64/2,986,166.70 = 570,720.36/x
  3. Step 3: Cross multiply
    1,991,045.64x = 2,986,166.70 × 570,720.36
  4. Step 4: Simplify right side
    1,991,045.64x = 1,704,266,134,044.01
  5. Step 5: Solve for x
    x = 1,704,266,134,044.01/1,991,045.64
  6. Step 6: Final answer
    x = 855,965.38

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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.