Home / 1,173,575.36-1,761,529.44-542,630.72

Finding the Fourth Proportional to 1,173,575.36, 1,761,529.44 and 542,630.72

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Solution

The fourth proportional to 1,173,575.36, 1,761,529.44 and 542,630.72 is: 814,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,575.36 : 1,761,529.44 = 542,630.72 : x
  2. Step 2: Convert to fraction form
    1,173,575.36/1,761,529.44 = 542,630.72/x
  3. Step 3: Cross multiply
    1,173,575.36x = 1,761,529.44 × 542,630.72
  4. Step 4: Simplify right side
    1,173,575.36x = 955,859,988,328.40
  5. Step 5: Solve for x
    x = 955,859,988,328.40/1,173,575.36
  6. Step 6: Final answer
    x = 814,485.39

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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.