Home / 1,438,362.95-1,985,687.06-1,050,743.16

Finding the Fourth Proportional to 1,438,362.95, 1,985,687.06 and 1,050,743.16

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Solution

The fourth proportional to 1,438,362.95, 1,985,687.06 and 1,050,743.16 is: 1,450,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,362.95 : 1,985,687.06 = 1,050,743.16 : x
  2. Step 2: Convert to fraction form
    1,438,362.95/1,985,687.06 = 1,050,743.16/x
  3. Step 3: Cross multiply
    1,438,362.95x = 1,985,687.06 × 1,050,743.16
  4. Step 4: Simplify right side
    1,438,362.95x = 2,086,447,090,941.79
  5. Step 5: Solve for x
    x = 2,086,447,090,941.79/1,438,362.95
  6. Step 6: Final answer
    x = 1,450,570.66

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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.