Home / 7,085,357.34-9,777,510.99-4,185,679.38

Finding the Fourth Proportional to 7,085,357.34, 9,777,510.99 and 4,185,679.38

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Solution

The fourth proportional to 7,085,357.34, 9,777,510.99 and 4,185,679.38 is: 5,776,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,357.34 : 9,777,510.99 = 4,185,679.38 : x
  2. Step 2: Convert to fraction form
    7,085,357.34/9,777,510.99 = 4,185,679.38/x
  3. Step 3: Cross multiply
    7,085,357.34x = 9,777,510.99 × 4,185,679.38
  4. Step 4: Simplify right side
    7,085,357.34x = 40,925,526,138,566.38
  5. Step 5: Solve for x
    x = 40,925,526,138,566.38/7,085,357.34
  6. Step 6: Final answer
    x = 5,776,070.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.