Home / 928,347.36-1,392,540.48-297,259.35

Finding the Fourth Proportional to 928,347.36, 1,392,540.48 and 297,259.35

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Solution

The fourth proportional to 928,347.36, 1,392,540.48 and 297,259.35 is: 445,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,347.36 : 1,392,540.48 = 297,259.35 : x
  2. Step 2: Convert to fraction form
    928,347.36/1,392,540.48 = 297,259.35/x
  3. Step 3: Cross multiply
    928,347.36x = 1,392,540.48 × 297,259.35
  4. Step 4: Simplify right side
    928,347.36x = 413,945,677,933.49
  5. Step 5: Solve for x
    x = 413,945,677,933.49/928,347.36
  6. Step 6: Final answer
    x = 445,895.25

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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.