Home / 1,353,708.96-1,867,916.52-837,981.60

Finding the Fourth Proportional to 1,353,708.96, 1,867,916.52 and 837,981.60

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Solution

The fourth proportional to 1,353,708.96, 1,867,916.52 and 837,981.60 is: 1,156,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,708.96 : 1,867,916.52 = 837,981.60 : x
  2. Step 2: Convert to fraction form
    1,353,708.96/1,867,916.52 = 837,981.60/x
  3. Step 3: Cross multiply
    1,353,708.96x = 1,867,916.52 × 837,981.60
  4. Step 4: Simplify right side
    1,353,708.96x = 1,565,279,674,096.03
  5. Step 5: Solve for x
    x = 1,565,279,674,096.03/1,353,708.96
  6. Step 6: Final answer
    x = 1,156,289.66

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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.