Home / 739,695.48-1,020,769.77-413,013.54

Finding the Fourth Proportional to 739,695.48, 1,020,769.77 and 413,013.54

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Solution

The fourth proportional to 739,695.48, 1,020,769.77 and 413,013.54 is: 569,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,695.48 : 1,020,769.77 = 413,013.54 : x
  2. Step 2: Convert to fraction form
    739,695.48/1,020,769.77 = 413,013.54/x
  3. Step 3: Cross multiply
    739,695.48x = 1,020,769.77 × 413,013.54
  4. Step 4: Simplify right side
    739,695.48x = 421,591,736,232.69
  5. Step 5: Solve for x
    x = 421,591,736,232.69/739,695.48
  6. Step 6: Final answer
    x = 569,953.11

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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.