Home / 771,595.53-1,065,081.33-628,106.46

Finding the Fourth Proportional to 771,595.53, 1,065,081.33 and 628,106.46

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Solution

The fourth proportional to 771,595.53, 1,065,081.33 and 628,106.46 is: 867,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,595.53 : 1,065,081.33 = 628,106.46 : x
  2. Step 2: Convert to fraction form
    771,595.53/1,065,081.33 = 628,106.46/x
  3. Step 3: Cross multiply
    771,595.53x = 1,065,081.33 × 628,106.46
  4. Step 4: Simplify right side
    771,595.53x = 668,984,463,798.39
  5. Step 5: Solve for x
    x = 668,984,463,798.39/771,595.53
  6. Step 6: Final answer
    x = 867,014.44

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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.