Home / 662,113.29-993,263.35-212,683.50

Finding the Fourth Proportional to 662,113.29, 993,263.35 and 212,683.50

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Solution

The fourth proportional to 662,113.29, 993,263.35 and 212,683.50 is: 319,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,113.29 : 993,263.35 = 212,683.50 : x
  2. Step 2: Convert to fraction form
    662,113.29/993,263.35 = 212,683.50/x
  3. Step 3: Cross multiply
    662,113.29x = 993,263.35 × 212,683.50
  4. Step 4: Simplify right side
    662,113.29x = 211,250,725,699.73
  5. Step 5: Solve for x
    x = 211,250,725,699.73/662,113.29
  6. Step 6: Final answer
    x = 319,055.26

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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.