Home / 1,129,831.59-1,559,167.54-620,533.97

Finding the Fourth Proportional to 1,129,831.59, 1,559,167.54 and 620,533.97

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Solution

The fourth proportional to 1,129,831.59, 1,559,167.54 and 620,533.97 is: 856,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,831.59 : 1,559,167.54 = 620,533.97 : x
  2. Step 2: Convert to fraction form
    1,129,831.59/1,559,167.54 = 620,533.97/x
  3. Step 3: Cross multiply
    1,129,831.59x = 1,559,167.54 × 620,533.97
  4. Step 4: Simplify right side
    1,129,831.59x = 967,516,414,144.16
  5. Step 5: Solve for x
    x = 967,516,414,144.16/1,129,831.59
  6. Step 6: Final answer
    x = 856,336.84

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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.