Home / 1,276,702.06-1,761,848.40-703,751.80

Finding the Fourth Proportional to 1,276,702.06, 1,761,848.40 and 703,751.80

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Solution

The fourth proportional to 1,276,702.06, 1,761,848.40 and 703,751.80 is: 971,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,702.06 : 1,761,848.40 = 703,751.80 : x
  2. Step 2: Convert to fraction form
    1,276,702.06/1,761,848.40 = 703,751.80/x
  3. Step 3: Cross multiply
    1,276,702.06x = 1,761,848.40 × 703,751.80
  4. Step 4: Simplify right side
    1,276,702.06x = 1,239,903,982,827.12
  5. Step 5: Solve for x
    x = 1,239,903,982,827.12/1,276,702.06
  6. Step 6: Final answer
    x = 971,177.24

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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.