Home / 1,065,408.78-1,470,200.31-581,877.66

Finding the Fourth Proportional to 1,065,408.78, 1,470,200.31 and 581,877.66

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Solution

The fourth proportional to 1,065,408.78, 1,470,200.31 and 581,877.66 is: 802,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,408.78 : 1,470,200.31 = 581,877.66 : x
  2. Step 2: Convert to fraction form
    1,065,408.78/1,470,200.31 = 581,877.66/x
  3. Step 3: Cross multiply
    1,065,408.78x = 1,470,200.31 × 581,877.66
  4. Step 4: Simplify right side
    1,065,408.78x = 855,476,716,114.08
  5. Step 5: Solve for x
    x = 855,476,716,114.08/1,065,408.78
  6. Step 6: Final answer
    x = 802,956.32

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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.