Home / 1,585,866.75-2,187,669.11-974,157.32

Finding the Fourth Proportional to 1,585,866.75, 2,187,669.11 and 974,157.32

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Solution

The fourth proportional to 1,585,866.75, 2,187,669.11 and 974,157.32 is: 1,343,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,866.75 : 2,187,669.11 = 974,157.32 : x
  2. Step 2: Convert to fraction form
    1,585,866.75/2,187,669.11 = 974,157.32/x
  3. Step 3: Cross multiply
    1,585,866.75x = 2,187,669.11 × 974,157.32
  4. Step 4: Simplify right side
    1,585,866.75x = 2,131,133,861,435.25
  5. Step 5: Solve for x
    x = 2,131,133,861,435.25/1,585,866.75
  6. Step 6: Final answer
    x = 1,343,829.08

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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.