Home / 805,698.95-1,208,627.33-293,503.28

Finding the Fourth Proportional to 805,698.95, 1,208,627.33 and 293,503.28

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Solution

The fourth proportional to 805,698.95, 1,208,627.33 and 293,503.28 is: 440,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,698.95 : 1,208,627.33 = 293,503.28 : x
  2. Step 2: Convert to fraction form
    805,698.95/1,208,627.33 = 293,503.28/x
  3. Step 3: Cross multiply
    805,698.95x = 1,208,627.33 × 293,503.28
  4. Step 4: Simplify right side
    805,698.95x = 354,736,078,141.99
  5. Step 5: Solve for x
    x = 354,736,078,141.99/805,698.95
  6. Step 6: Final answer
    x = 440,283.66

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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.