Home / 742,024.38-1,113,228.44-434,536.03

Finding the Fourth Proportional to 742,024.38, 1,113,228.44 and 434,536.03

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Solution

The fourth proportional to 742,024.38, 1,113,228.44 and 434,536.03 is: 651,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,024.38 : 1,113,228.44 = 434,536.03 : x
  2. Step 2: Convert to fraction form
    742,024.38/1,113,228.44 = 434,536.03/x
  3. Step 3: Cross multiply
    742,024.38x = 1,113,228.44 × 434,536.03
  4. Step 4: Simplify right side
    742,024.38x = 483,737,863,831.41
  5. Step 5: Solve for x
    x = 483,737,863,831.41/742,024.38
  6. Step 6: Final answer
    x = 651,916.40

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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.