Home / 838,020.24-1,156,433.49-456,048.54

Finding the Fourth Proportional to 838,020.24, 1,156,433.49 and 456,048.54

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Solution

The fourth proportional to 838,020.24, 1,156,433.49 and 456,048.54 is: 629,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,020.24 : 1,156,433.49 = 456,048.54 : x
  2. Step 2: Convert to fraction form
    838,020.24/1,156,433.49 = 456,048.54/x
  3. Step 3: Cross multiply
    838,020.24x = 1,156,433.49 × 456,048.54
  4. Step 4: Simplify right side
    838,020.24x = 527,389,804,721.61
  5. Step 5: Solve for x
    x = 527,389,804,721.61/838,020.24
  6. Step 6: Final answer
    x = 629,328.24

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Double scale
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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.