Home / 1,161,831.60-1,742,222.52-413,897.04

Finding the Fourth Proportional to 1,161,831.60, 1,742,222.52 and 413,897.04

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Solution

The fourth proportional to 1,161,831.60, 1,742,222.52 and 413,897.04 is: 620,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,831.60 : 1,742,222.52 = 413,897.04 : x
  2. Step 2: Convert to fraction form
    1,161,831.60/1,742,222.52 = 413,897.04/x
  3. Step 3: Cross multiply
    1,161,831.60x = 1,742,222.52 × 413,897.04
  4. Step 4: Simplify right side
    1,161,831.60x = 721,100,744,049.34
  5. Step 5: Solve for x
    x = 721,100,744,049.34/1,161,831.60
  6. Step 6: Final answer
    x = 620,658.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.