Home / 1,070,861.51-1,605,775.44-621,695.45

Finding the Fourth Proportional to 1,070,861.51, 1,605,775.44 and 621,695.45

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Solution

The fourth proportional to 1,070,861.51, 1,605,775.44 and 621,695.45 is: 932,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,861.51 : 1,605,775.44 = 621,695.45 : x
  2. Step 2: Convert to fraction form
    1,070,861.51/1,605,775.44 = 621,695.45/x
  3. Step 3: Cross multiply
    1,070,861.51x = 1,605,775.44 × 621,695.45
  4. Step 4: Simplify right side
    1,070,861.51x = 998,303,287,618.51
  5. Step 5: Solve for x
    x = 998,303,287,618.51/1,070,861.51
  6. Step 6: Final answer
    x = 932,243.13

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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.