Home / 772,811.01-1,066,632.30-450,572.76

Finding the Fourth Proportional to 772,811.01, 1,066,632.30 and 450,572.76

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Solution

The fourth proportional to 772,811.01, 1,066,632.30 and 450,572.76 is: 621,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,811.01 : 1,066,632.30 = 450,572.76 : x
  2. Step 2: Convert to fraction form
    772,811.01/1,066,632.30 = 450,572.76/x
  3. Step 3: Cross multiply
    772,811.01x = 1,066,632.30 × 450,572.76
  4. Step 4: Simplify right side
    772,811.01x = 480,595,459,316.15
  5. Step 5: Solve for x
    x = 480,595,459,316.15/772,811.01
  6. Step 6: Final answer
    x = 621,879.67

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Double scale
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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.