Home / 1,085,804.80-1,628,901.60-454,782.40

Finding the Fourth Proportional to 1,085,804.80, 1,628,901.60 and 454,782.40

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Solution

The fourth proportional to 1,085,804.80, 1,628,901.60 and 454,782.40 is: 682,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,804.80 : 1,628,901.60 = 454,782.40 : x
  2. Step 2: Convert to fraction form
    1,085,804.80/1,628,901.60 = 454,782.40/x
  3. Step 3: Cross multiply
    1,085,804.80x = 1,628,901.60 × 454,782.40
  4. Step 4: Simplify right side
    1,085,804.80x = 740,795,779,011.84
  5. Step 5: Solve for x
    x = 740,795,779,011.84/1,085,804.80
  6. Step 6: Final answer
    x = 682,255.02

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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.