Home / 562,969.26-776,953.05-321,288.21

Finding the Fourth Proportional to 562,969.26, 776,953.05 and 321,288.21

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Solution

The fourth proportional to 562,969.26, 776,953.05 and 321,288.21 is: 443,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,969.26 : 776,953.05 = 321,288.21 : x
  2. Step 2: Convert to fraction form
    562,969.26/776,953.05 = 321,288.21/x
  3. Step 3: Cross multiply
    562,969.26x = 776,953.05 × 321,288.21
  4. Step 4: Simplify right side
    562,969.26x = 249,625,853,082.10
  5. Step 5: Solve for x
    x = 249,625,853,082.10/562,969.26
  6. Step 6: Final answer
    x = 443,409.38

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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.