Home / 719,023.89-992,273.73-396,754.74

Finding the Fourth Proportional to 719,023.89, 992,273.73 and 396,754.74

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Solution

The fourth proportional to 719,023.89, 992,273.73 and 396,754.74 is: 547,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,023.89 : 992,273.73 = 396,754.74 : x
  2. Step 2: Convert to fraction form
    719,023.89/992,273.73 = 396,754.74/x
  3. Step 3: Cross multiply
    719,023.89x = 992,273.73 × 396,754.74
  4. Step 4: Simplify right side
    719,023.89x = 393,689,305,754.98
  5. Step 5: Solve for x
    x = 393,689,305,754.98/719,023.89
  6. Step 6: Final answer
    x = 547,533.00

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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.