Home / 726,376.08-1,001,831.76-619,300.56

Finding the Fourth Proportional to 726,376.08, 1,001,831.76 and 619,300.56

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Solution

The fourth proportional to 726,376.08, 1,001,831.76 and 619,300.56 is: 854,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,376.08 : 1,001,831.76 = 619,300.56 : x
  2. Step 2: Convert to fraction form
    726,376.08/1,001,831.76 = 619,300.56/x
  3. Step 3: Cross multiply
    726,376.08x = 1,001,831.76 × 619,300.56
  4. Step 4: Simplify right side
    726,376.08x = 620,434,969,993.79
  5. Step 5: Solve for x
    x = 620,434,969,993.79/726,376.08
  6. Step 6: Final answer
    x = 854,151.16

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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.