Home / 942,675.11-1,406,172.04-851,870.87

Finding the Fourth Proportional to 942,675.11, 1,406,172.04 and 851,870.87

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Solution

The fourth proportional to 942,675.11, 1,406,172.04 and 851,870.87 is: 1,270,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,675.11 : 1,406,172.04 = 851,870.87 : x
  2. Step 2: Convert to fraction form
    942,675.11/1,406,172.04 = 851,870.87/x
  3. Step 3: Cross multiply
    942,675.11x = 1,406,172.04 × 851,870.87
  4. Step 4: Simplify right side
    942,675.11x = 1,197,877,003,664.74
  5. Step 5: Solve for x
    x = 1,197,877,003,664.74/942,675.11
  6. Step 6: Final answer
    x = 1,270,720.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.