Home / 739,824.93-1,020,848.94-449,285.40

Finding the Fourth Proportional to 739,824.93, 1,020,848.94 and 449,285.40

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Solution

The fourth proportional to 739,824.93, 1,020,848.94 and 449,285.40 is: 619,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,824.93 : 1,020,848.94 = 449,285.40 : x
  2. Step 2: Convert to fraction form
    739,824.93/1,020,848.94 = 449,285.40/x
  3. Step 3: Cross multiply
    739,824.93x = 1,020,848.94 × 449,285.40
  4. Step 4: Simplify right side
    739,824.93x = 458,652,524,347.48
  5. Step 5: Solve for x
    x = 458,652,524,347.48/739,824.93
  6. Step 6: Final answer
    x = 619,947.38

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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.