Home / 953,078.84-1,429,198.38-447,783.44

Finding the Fourth Proportional to 953,078.84, 1,429,198.38 and 447,783.44

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Solution

The fourth proportional to 953,078.84, 1,429,198.38 and 447,783.44 is: 671,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,078.84 : 1,429,198.38 = 447,783.44 : x
  2. Step 2: Convert to fraction form
    953,078.84/1,429,198.38 = 447,783.44/x
  3. Step 3: Cross multiply
    953,078.84x = 1,429,198.38 × 447,783.44
  4. Step 4: Simplify right side
    953,078.84x = 639,971,367,038.83
  5. Step 5: Solve for x
    x = 639,971,367,038.83/953,078.84
  6. Step 6: Final answer
    x = 671,477.89

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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.