Home / 484,929.54-669,152.43-298,631.39

Finding the Fourth Proportional to 484,929.54, 669,152.43 and 298,631.39

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Solution

The fourth proportional to 484,929.54, 669,152.43 and 298,631.39 is: 412,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,929.54 : 669,152.43 = 298,631.39 : x
  2. Step 2: Convert to fraction form
    484,929.54/669,152.43 = 298,631.39/x
  3. Step 3: Cross multiply
    484,929.54x = 669,152.43 × 298,631.39
  4. Step 4: Simplify right side
    484,929.54x = 199,829,916,947.02
  5. Step 5: Solve for x
    x = 199,829,916,947.02/484,929.54
  6. Step 6: Final answer
    x = 412,080.31

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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.