Home / 1,128,528.60-1,692,773.29-454,592.67

Finding the Fourth Proportional to 1,128,528.60, 1,692,773.29 and 454,592.67

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Solution

The fourth proportional to 1,128,528.60, 1,692,773.29 and 454,592.67 is: 681,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,528.60 : 1,692,773.29 = 454,592.67 : x
  2. Step 2: Convert to fraction form
    1,128,528.60/1,692,773.29 = 454,592.67/x
  3. Step 3: Cross multiply
    1,128,528.60x = 1,692,773.29 × 454,592.67
  4. Step 4: Simplify right side
    1,128,528.60x = 769,522,335,089.19
  5. Step 5: Solve for x
    x = 769,522,335,089.19/1,128,528.60
  6. Step 6: Final answer
    x = 681,881.11

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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.