Home / 716,315.40-1,073,390.54-479,233.67

Finding the Fourth Proportional to 716,315.40, 1,073,390.54 and 479,233.67

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Solution

The fourth proportional to 716,315.40, 1,073,390.54 and 479,233.67 is: 718,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,315.40 : 1,073,390.54 = 479,233.67 : x
  2. Step 2: Convert to fraction form
    716,315.40/1,073,390.54 = 479,233.67/x
  3. Step 3: Cross multiply
    716,315.40x = 1,073,390.54 × 479,233.67
  4. Step 4: Simplify right side
    716,315.40x = 514,404,880,064.36
  5. Step 5: Solve for x
    x = 514,404,880,064.36/716,315.40
  6. Step 6: Final answer
    x = 718,126.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.