Home / 819,421.24-1,130,806.05-456,867.67

Finding the Fourth Proportional to 819,421.24, 1,130,806.05 and 456,867.67

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Solution

The fourth proportional to 819,421.24, 1,130,806.05 and 456,867.67 is: 630,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,421.24 : 1,130,806.05 = 456,867.67 : x
  2. Step 2: Convert to fraction form
    819,421.24/1,130,806.05 = 456,867.67/x
  3. Step 3: Cross multiply
    819,421.24x = 1,130,806.05 × 456,867.67
  4. Step 4: Simplify right side
    819,421.24x = 516,628,722,458.39
  5. Step 5: Solve for x
    x = 516,628,722,458.39/819,421.24
  6. Step 6: Final answer
    x = 630,480.03

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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.