Home / 1,653,688.83-2,479,567.67-641,628.77

Finding the Fourth Proportional to 1,653,688.83, 2,479,567.67 and 641,628.77

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Solution

The fourth proportional to 1,653,688.83, 2,479,567.67 and 641,628.77 is: 962,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,688.83 : 2,479,567.67 = 641,628.77 : x
  2. Step 2: Convert to fraction form
    1,653,688.83/2,479,567.67 = 641,628.77/x
  3. Step 3: Cross multiply
    1,653,688.83x = 2,479,567.67 × 641,628.77
  4. Step 4: Simplify right side
    1,653,688.83x = 1,590,961,938,627.88
  5. Step 5: Solve for x
    x = 1,590,961,938,627.88/1,653,688.83
  6. Step 6: Final answer
    x = 962,068.50

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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.