Home / 1,070,836.95-1,605,738.72-621,670.89

Finding the Fourth Proportional to 1,070,836.95, 1,605,738.72 and 621,670.89

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Solution

The fourth proportional to 1,070,836.95, 1,605,738.72 and 621,670.89 is: 932,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,836.95 : 1,605,738.72 = 621,670.89 : x
  2. Step 2: Convert to fraction form
    1,070,836.95/1,605,738.72 = 621,670.89/x
  3. Step 3: Cross multiply
    1,070,836.95x = 1,605,738.72 × 621,670.89
  4. Step 4: Simplify right side
    1,070,836.95x = 998,241,019,169.86
  5. Step 5: Solve for x
    x = 998,241,019,169.86/1,070,836.95
  6. Step 6: Final answer
    x = 932,206.36

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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.