Home / 736,639.20-1,103,792.40-469,922.40

Finding the Fourth Proportional to 736,639.20, 1,103,792.40 and 469,922.40

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Solution

The fourth proportional to 736,639.20, 1,103,792.40 and 469,922.40 is: 704,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,639.20 : 1,103,792.40 = 469,922.40 : x
  2. Step 2: Convert to fraction form
    736,639.20/1,103,792.40 = 469,922.40/x
  3. Step 3: Cross multiply
    736,639.20x = 1,103,792.40 × 469,922.40
  4. Step 4: Simplify right side
    736,639.20x = 518,696,773,709.76
  5. Step 5: Solve for x
    x = 518,696,773,709.76/736,639.20
  6. Step 6: Final answer
    x = 704,139.52

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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.