Home / 772,767.73-1,065,187.69-609,157.60

Finding the Fourth Proportional to 772,767.73, 1,065,187.69 and 609,157.60

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Solution

The fourth proportional to 772,767.73, 1,065,187.69 and 609,157.60 is: 839,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,767.73 : 1,065,187.69 = 609,157.60 : x
  2. Step 2: Convert to fraction form
    772,767.73/1,065,187.69 = 609,157.60/x
  3. Step 3: Cross multiply
    772,767.73x = 1,065,187.69 × 609,157.60
  4. Step 4: Simplify right side
    772,767.73x = 648,867,176,219.91
  5. Step 5: Solve for x
    x = 648,867,176,219.91/772,767.73
  6. Step 6: Final answer
    x = 839,666.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.