Home / 678,605.60-1,017,908.40-573,629.60

Finding the Fourth Proportional to 678,605.60, 1,017,908.40 and 573,629.60

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Solution

The fourth proportional to 678,605.60, 1,017,908.40 and 573,629.60 is: 860,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,605.60 : 1,017,908.40 = 573,629.60 : x
  2. Step 2: Convert to fraction form
    678,605.60/1,017,908.40 = 573,629.60/x
  3. Step 3: Cross multiply
    678,605.60x = 1,017,908.40 × 573,629.60
  4. Step 4: Simplify right side
    678,605.60x = 583,902,388,328.64
  5. Step 5: Solve for x
    x = 583,902,388,328.64/678,605.60
  6. Step 6: Final answer
    x = 860,444.40

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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.