Home / 1,078,205.60-1,617,081.60-545,225.60

Finding the Fourth Proportional to 1,078,205.60, 1,617,081.60 and 545,225.60

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Solution

The fourth proportional to 1,078,205.60, 1,617,081.60 and 545,225.60 is: 817,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,205.60 : 1,617,081.60 = 545,225.60 : x
  2. Step 2: Convert to fraction form
    1,078,205.60/1,617,081.60 = 545,225.60/x
  3. Step 3: Cross multiply
    1,078,205.60x = 1,617,081.60 × 545,225.60
  4. Step 4: Simplify right side
    1,078,205.60x = 881,674,285,608.96
  5. Step 5: Solve for x
    x = 881,674,285,608.96/1,078,205.60
  6. Step 6: Final answer
    x = 817,723.71

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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.