Home / 729,693.92-1,006,935.30-407,424.42

Finding the Fourth Proportional to 729,693.92, 1,006,935.30 and 407,424.42

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Solution

The fourth proportional to 729,693.92, 1,006,935.30 and 407,424.42 is: 562,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,693.92 : 1,006,935.30 = 407,424.42 : x
  2. Step 2: Convert to fraction form
    729,693.92/1,006,935.30 = 407,424.42/x
  3. Step 3: Cross multiply
    729,693.92x = 1,006,935.30 × 407,424.42
  4. Step 4: Simplify right side
    729,693.92x = 410,250,030,580.03
  5. Step 5: Solve for x
    x = 410,250,030,580.03/729,693.92
  6. Step 6: Final answer
    x = 562,222.08

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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.