Home / 776,451.60-1,072,087.02-764,051.40

Finding the Fourth Proportional to 776,451.60, 1,072,087.02 and 764,051.40

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Solution

The fourth proportional to 776,451.60, 1,072,087.02 and 764,051.40 is: 1,054,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,451.60 : 1,072,087.02 = 764,051.40 : x
  2. Step 2: Convert to fraction form
    776,451.60/1,072,087.02 = 764,051.40/x
  3. Step 3: Cross multiply
    776,451.60x = 1,072,087.02 × 764,051.40
  4. Step 4: Simplify right side
    776,451.60x = 819,129,588,552.83
  5. Step 5: Solve for x
    x = 819,129,588,552.83/776,451.60
  6. Step 6: Final answer
    x = 1,054,965.42

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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.