Home / 1,008,051.60-1,512,768.60-447,488.40

Finding the Fourth Proportional to 1,008,051.60, 1,512,768.60 and 447,488.40

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Solution

The fourth proportional to 1,008,051.60, 1,512,768.60 and 447,488.40 is: 671,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,051.60 : 1,512,768.60 = 447,488.40 : x
  2. Step 2: Convert to fraction form
    1,008,051.60/1,512,768.60 = 447,488.40/x
  3. Step 3: Cross multiply
    1,008,051.60x = 1,512,768.60 × 447,488.40
  4. Step 4: Simplify right side
    1,008,051.60x = 676,946,400,384.24
  5. Step 5: Solve for x
    x = 676,946,400,384.24/1,008,051.60
  6. Step 6: Final answer
    x = 671,539.43

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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.