Home / 719,207.25-992,477.00-396,913.16

Finding the Fourth Proportional to 719,207.25, 992,477.00 and 396,913.16

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Solution

The fourth proportional to 719,207.25, 992,477.00 and 396,913.16 is: 547,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,207.25 : 992,477.00 = 396,913.16 : x
  2. Step 2: Convert to fraction form
    719,207.25/992,477.00 = 396,913.16/x
  3. Step 3: Cross multiply
    719,207.25x = 992,477.00 × 396,913.16
  4. Step 4: Simplify right side
    719,207.25x = 393,927,185,770.80
  5. Step 5: Solve for x
    x = 393,927,185,770.80/719,207.25
  6. Step 6: Final answer
    x = 547,724.16

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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.