Home / 929,256.93-1,394,031.20-396,780.75

Finding the Fourth Proportional to 929,256.93, 1,394,031.20 and 396,780.75

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Solution

The fourth proportional to 929,256.93, 1,394,031.20 and 396,780.75 is: 595,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,256.93 : 1,394,031.20 = 396,780.75 : x
  2. Step 2: Convert to fraction form
    929,256.93/1,394,031.20 = 396,780.75/x
  3. Step 3: Cross multiply
    929,256.93x = 1,394,031.20 × 396,780.75
  4. Step 4: Simplify right side
    929,256.93x = 553,124,743,075.50
  5. Step 5: Solve for x
    x = 553,124,743,075.50/929,256.93
  6. Step 6: Final answer
    x = 595,233.38

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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.