Home / 1,435,007.60-2,151,034.32-636,665.12

Finding the Fourth Proportional to 1,435,007.60, 2,151,034.32 and 636,665.12

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Solution

The fourth proportional to 1,435,007.60, 2,151,034.32 and 636,665.12 is: 954,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,007.60 : 2,151,034.32 = 636,665.12 : x
  2. Step 2: Convert to fraction form
    1,435,007.60/2,151,034.32 = 636,665.12/x
  3. Step 3: Cross multiply
    1,435,007.60x = 2,151,034.32 × 636,665.12
  4. Step 4: Simplify right side
    1,435,007.60x = 1,369,488,523,466.92
  5. Step 5: Solve for x
    x = 1,369,488,523,466.92/1,435,007.60
  6. Step 6: Final answer
    x = 954,342.35

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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.