Home / 830,681.80-1,246,022.70-822,808.60

Finding the Fourth Proportional to 830,681.80, 1,246,022.70 and 822,808.60

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Solution

The fourth proportional to 830,681.80, 1,246,022.70 and 822,808.60 is: 1,234,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,681.80 : 1,246,022.70 = 822,808.60 : x
  2. Step 2: Convert to fraction form
    830,681.80/1,246,022.70 = 822,808.60/x
  3. Step 3: Cross multiply
    830,681.80x = 1,246,022.70 × 822,808.60
  4. Step 4: Simplify right side
    830,681.80x = 1,025,238,193,355.22
  5. Step 5: Solve for x
    x = 1,025,238,193,355.22/830,681.80
  6. Step 6: Final answer
    x = 1,234,212.90

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1.5x scale

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.