Home / 898,365.38-1,239,626.45-535,831.79

Finding the Fourth Proportional to 898,365.38, 1,239,626.45 and 535,831.79

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Solution

The fourth proportional to 898,365.38, 1,239,626.45 and 535,831.79 is: 739,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,365.38 : 1,239,626.45 = 535,831.79 : x
  2. Step 2: Convert to fraction form
    898,365.38/1,239,626.45 = 535,831.79/x
  3. Step 3: Cross multiply
    898,365.38x = 1,239,626.45 × 535,831.79
  4. Step 4: Simplify right side
    898,365.38x = 664,231,256,955.69
  5. Step 5: Solve for x
    x = 664,231,256,955.69/898,365.38
  6. Step 6: Final answer
    x = 739,377.62

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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.