Home / 934,146.41-1,289,331.88-611,669.21

Finding the Fourth Proportional to 934,146.41, 1,289,331.88 and 611,669.21

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Solution

The fourth proportional to 934,146.41, 1,289,331.88 and 611,669.21 is: 844,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,146.41 : 1,289,331.88 = 611,669.21 : x
  2. Step 2: Convert to fraction form
    934,146.41/1,289,331.88 = 611,669.21/x
  3. Step 3: Cross multiply
    934,146.41x = 1,289,331.88 × 611,669.21
  4. Step 4: Simplify right side
    934,146.41x = 788,644,604,491.58
  5. Step 5: Solve for x
    x = 788,644,604,491.58/934,146.41
  6. Step 6: Final answer
    x = 844,240.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.