Home / 610,905.60-916,444.80-190,137.60

Finding the Fourth Proportional to 610,905.60, 916,444.80 and 190,137.60

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Solution

The fourth proportional to 610,905.60, 916,444.80 and 190,137.60 is: 285,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,905.60 : 916,444.80 = 190,137.60 : x
  2. Step 2: Convert to fraction form
    610,905.60/916,444.80 = 190,137.60/x
  3. Step 3: Cross multiply
    610,905.60x = 916,444.80 × 190,137.60
  4. Step 4: Simplify right side
    610,905.60x = 174,250,614,804.48
  5. Step 5: Solve for x
    x = 174,250,614,804.48/610,905.60
  6. Step 6: Final answer
    x = 285,233.29

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1.5x scale

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.