Home / 1,257,220.26-1,886,111.54-458,501.84

Finding the Fourth Proportional to 1,257,220.26, 1,886,111.54 and 458,501.84

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Solution

The fourth proportional to 1,257,220.26, 1,886,111.54 and 458,501.84 is: 687,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,220.26 : 1,886,111.54 = 458,501.84 : x
  2. Step 2: Convert to fraction form
    1,257,220.26/1,886,111.54 = 458,501.84/x
  3. Step 3: Cross multiply
    1,257,220.26x = 1,886,111.54 × 458,501.84
  4. Step 4: Simplify right side
    1,257,220.26x = 864,785,604,527.45
  5. Step 5: Solve for x
    x = 864,785,604,527.45/1,257,220.26
  6. Step 6: Final answer
    x = 687,855.29

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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.