Home / 762,746.26-1,052,513.21-456,814.81

Finding the Fourth Proportional to 762,746.26, 1,052,513.21 and 456,814.81

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Solution

The fourth proportional to 762,746.26, 1,052,513.21 and 456,814.81 is: 630,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,746.26 : 1,052,513.21 = 456,814.81 : x
  2. Step 2: Convert to fraction form
    762,746.26/1,052,513.21 = 456,814.81/x
  3. Step 3: Cross multiply
    762,746.26x = 1,052,513.21 × 456,814.81
  4. Step 4: Simplify right side
    762,746.26x = 480,803,619,764.57
  5. Step 5: Solve for x
    x = 480,803,619,764.57/762,746.26
  6. Step 6: Final answer
    x = 630,358.54

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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.