Home / 1,046,826.80-1,570,240.20-258,858.80

Finding the Fourth Proportional to 1,046,826.80, 1,570,240.20 and 258,858.80

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Solution

The fourth proportional to 1,046,826.80, 1,570,240.20 and 258,858.80 is: 388,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,826.80 : 1,570,240.20 = 258,858.80 : x
  2. Step 2: Convert to fraction form
    1,046,826.80/1,570,240.20 = 258,858.80/x
  3. Step 3: Cross multiply
    1,046,826.80x = 1,570,240.20 × 258,858.80
  4. Step 4: Simplify right side
    1,046,826.80x = 406,470,493,883.76
  5. Step 5: Solve for x
    x = 406,470,493,883.76/1,046,826.80
  6. Step 6: Final answer
    x = 388,288.20

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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.