Home / 719,059.23-992,300.70-396,769.26

Finding the Fourth Proportional to 719,059.23, 992,300.70 and 396,769.26

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Solution

The fourth proportional to 719,059.23, 992,300.70 and 396,769.26 is: 547,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,059.23 : 992,300.70 = 396,769.26 : x
  2. Step 2: Convert to fraction form
    719,059.23/992,300.70 = 396,769.26/x
  3. Step 3: Cross multiply
    719,059.23x = 992,300.70 × 396,769.26
  4. Step 4: Simplify right side
    719,059.23x = 393,714,414,436.48
  5. Step 5: Solve for x
    x = 393,714,414,436.48/719,059.23
  6. Step 6: Final answer
    x = 547,541.01

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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.