Home / 1,257,726.40-1,735,693.80-684,798.04

Finding the Fourth Proportional to 1,257,726.40, 1,735,693.80 and 684,798.04

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Solution

The fourth proportional to 1,257,726.40, 1,735,693.80 and 684,798.04 is: 945,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,726.40 : 1,735,693.80 = 684,798.04 : x
  2. Step 2: Convert to fraction form
    1,257,726.40/1,735,693.80 = 684,798.04/x
  3. Step 3: Cross multiply
    1,257,726.40x = 1,735,693.80 × 684,798.04
  4. Step 4: Simplify right side
    1,257,726.40x = 1,188,599,712,280.15
  5. Step 5: Solve for x
    x = 1,188,599,712,280.15/1,257,726.40
  6. Step 6: Final answer
    x = 945,038.37

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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.