Home / 772,841.66-1,066,303.44-500,921.01

Finding the Fourth Proportional to 772,841.66, 1,066,303.44 and 500,921.01

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Solution

The fourth proportional to 772,841.66, 1,066,303.44 and 500,921.01 is: 691,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,841.66 : 1,066,303.44 = 500,921.01 : x
  2. Step 2: Convert to fraction form
    772,841.66/1,066,303.44 = 500,921.01/x
  3. Step 3: Cross multiply
    772,841.66x = 1,066,303.44 × 500,921.01
  4. Step 4: Simplify right side
    772,841.66x = 534,133,796,131.27
  5. Step 5: Solve for x
    x = 534,133,796,131.27/772,841.66
  6. Step 6: Final answer
    x = 691,129.67

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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.