Home / 517,817.58-776,810.04-153,116.16

Finding the Fourth Proportional to 517,817.58, 776,810.04 and 153,116.16

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Solution

The fourth proportional to 517,817.58, 776,810.04 and 153,116.16 is: 229,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,817.58 : 776,810.04 = 153,116.16 : x
  2. Step 2: Convert to fraction form
    517,817.58/776,810.04 = 153,116.16/x
  3. Step 3: Cross multiply
    517,817.58x = 776,810.04 × 153,116.16
  4. Step 4: Simplify right side
    517,817.58x = 118,942,170,374.25
  5. Step 5: Solve for x
    x = 118,942,170,374.25/517,817.58
  6. Step 6: Final answer
    x = 229,698.98

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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.