Home / 928,666.90-1,392,890.91-254,816.34

Finding the Fourth Proportional to 928,666.90, 1,392,890.91 and 254,816.34

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Solution

The fourth proportional to 928,666.90, 1,392,890.91 and 254,816.34 is: 382,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,666.90 : 1,392,890.91 = 254,816.34 : x
  2. Step 2: Convert to fraction form
    928,666.90/1,392,890.91 = 254,816.34/x
  3. Step 3: Cross multiply
    928,666.90x = 1,392,890.91 × 254,816.34
  4. Step 4: Simplify right side
    928,666.90x = 354,931,363,705.47
  5. Step 5: Solve for x
    x = 354,931,363,705.47/928,666.90
  6. Step 6: Final answer
    x = 382,194.48

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1.5x scale

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.