Home / 426,966.03-639,893.43-173,950.20

Finding the Fourth Proportional to 426,966.03, 639,893.43 and 173,950.20

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Solution

The fourth proportional to 426,966.03, 639,893.43 and 173,950.20 is: 260,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,966.03 : 639,893.43 = 173,950.20 : x
  2. Step 2: Convert to fraction form
    426,966.03/639,893.43 = 173,950.20/x
  3. Step 3: Cross multiply
    426,966.03x = 639,893.43 × 173,950.20
  4. Step 4: Simplify right side
    426,966.03x = 111,309,590,127.19
  5. Step 5: Solve for x
    x = 111,309,590,127.19/426,966.03
  6. Step 6: Final answer
    x = 260,698.94

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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.