Home / 1,352,042.50-1,865,818.65-740,193.34

Finding the Fourth Proportional to 1,352,042.50, 1,865,818.65 and 740,193.34

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Solution

The fourth proportional to 1,352,042.50, 1,865,818.65 and 740,193.34 is: 1,021,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,042.50 : 1,865,818.65 = 740,193.34 : x
  2. Step 2: Convert to fraction form
    1,352,042.50/1,865,818.65 = 740,193.34/x
  3. Step 3: Cross multiply
    1,352,042.50x = 1,865,818.65 × 740,193.34
  4. Step 4: Simplify right side
    1,352,042.50x = 1,381,066,538,377.79
  5. Step 5: Solve for x
    x = 1,381,066,538,377.79/1,352,042.50
  6. Step 6: Final answer
    x = 1,021,466.81

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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.