Home / 626,543.91-939,665.34-289,260.54

Finding the Fourth Proportional to 626,543.91, 939,665.34 and 289,260.54

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Solution

The fourth proportional to 626,543.91, 939,665.34 and 289,260.54 is: 433,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,543.91 : 939,665.34 = 289,260.54 : x
  2. Step 2: Convert to fraction form
    626,543.91/939,665.34 = 289,260.54/x
  3. Step 3: Cross multiply
    626,543.91x = 939,665.34 × 289,260.54
  4. Step 4: Simplify right side
    626,543.91x = 271,808,103,667.68
  5. Step 5: Solve for x
    x = 271,808,103,667.68/626,543.91
  6. Step 6: Final answer
    x = 433,821.32

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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.