Home / 619,048.08-928,834.56-338,237.28

Finding the Fourth Proportional to 619,048.08, 928,834.56 and 338,237.28

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Solution

The fourth proportional to 619,048.08, 928,834.56 and 338,237.28 is: 507,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,048.08 : 928,834.56 = 338,237.28 : x
  2. Step 2: Convert to fraction form
    619,048.08/928,834.56 = 338,237.28/x
  3. Step 3: Cross multiply
    619,048.08x = 928,834.56 × 338,237.28
  4. Step 4: Simplify right side
    619,048.08x = 314,166,475,144.40
  5. Step 5: Solve for x
    x = 314,166,475,144.40/619,048.08
  6. Step 6: Final answer
    x = 507,499.31

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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.