Home / 1,219,861.50-1,683,412.80-676,006.23

Finding the Fourth Proportional to 1,219,861.50, 1,683,412.80 and 676,006.23

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Solution

The fourth proportional to 1,219,861.50, 1,683,412.80 and 676,006.23 is: 932,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,861.50 : 1,683,412.80 = 676,006.23 : x
  2. Step 2: Convert to fraction form
    1,219,861.50/1,683,412.80 = 676,006.23/x
  3. Step 3: Cross multiply
    1,219,861.50x = 1,683,412.80 × 676,006.23
  4. Step 4: Simplify right side
    1,219,861.50x = 1,137,997,540,461.74
  5. Step 5: Solve for x
    x = 1,137,997,540,461.74/1,219,861.50
  6. Step 6: Final answer
    x = 932,890.78

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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.