Home / 771,607.56-1,065,097.92-628,118.46

Finding the Fourth Proportional to 771,607.56, 1,065,097.92 and 628,118.46

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Solution

The fourth proportional to 771,607.56, 1,065,097.92 and 628,118.46 is: 867,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,607.56 : 1,065,097.92 = 628,118.46 : x
  2. Step 2: Convert to fraction form
    771,607.56/1,065,097.92 = 628,118.46/x
  3. Step 3: Cross multiply
    771,607.56x = 1,065,097.92 × 628,118.46
  4. Step 4: Simplify right side
    771,607.56x = 669,007,665,259.60
  5. Step 5: Solve for x
    x = 669,007,665,259.60/771,607.56
  6. Step 6: Final answer
    x = 867,030.99

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1.5x scale

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.