Home / 1,074,615.95-1,611,865.59-326,603.63

Finding the Fourth Proportional to 1,074,615.95, 1,611,865.59 and 326,603.63

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Solution

The fourth proportional to 1,074,615.95, 1,611,865.59 and 326,603.63 is: 489,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,615.95 : 1,611,865.59 = 326,603.63 : x
  2. Step 2: Convert to fraction form
    1,074,615.95/1,611,865.59 = 326,603.63/x
  3. Step 3: Cross multiply
    1,074,615.95x = 1,611,865.59 × 326,603.63
  4. Step 4: Simplify right side
    1,074,615.95x = 526,441,144,706.76
  5. Step 5: Solve for x
    x = 526,441,144,706.76/1,074,615.95
  6. Step 6: Final answer
    x = 489,887.71

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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.