Home / 1,277,823.60-1,916,964.90-436,178.52

Finding the Fourth Proportional to 1,277,823.60, 1,916,964.90 and 436,178.52

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Solution

The fourth proportional to 1,277,823.60, 1,916,964.90 and 436,178.52 is: 654,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,823.60 : 1,916,964.90 = 436,178.52 : x
  2. Step 2: Convert to fraction form
    1,277,823.60/1,916,964.90 = 436,178.52/x
  3. Step 3: Cross multiply
    1,277,823.60x = 1,916,964.90 × 436,178.52
  4. Step 4: Simplify right side
    1,277,823.60x = 836,138,912,973.95
  5. Step 5: Solve for x
    x = 836,138,912,973.95/1,277,823.60
  6. Step 6: Final answer
    x = 654,346.12

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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.