Home / 739,534.54-1,020,556.92-400,001.98

Finding the Fourth Proportional to 739,534.54, 1,020,556.92 and 400,001.98

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Solution

The fourth proportional to 739,534.54, 1,020,556.92 and 400,001.98 is: 552,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,534.54 : 1,020,556.92 = 400,001.98 : x
  2. Step 2: Convert to fraction form
    739,534.54/1,020,556.92 = 400,001.98/x
  3. Step 3: Cross multiply
    739,534.54x = 1,020,556.92 × 400,001.98
  4. Step 4: Simplify right side
    739,534.54x = 408,224,788,702.70
  5. Step 5: Solve for x
    x = 408,224,788,702.70/739,534.54
  6. Step 6: Final answer
    x = 552,002.33

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1.5x scale

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.