Home / 1,636,495.65-2,455,129.71-514,564.65

Finding the Fourth Proportional to 1,636,495.65, 2,455,129.71 and 514,564.65

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Solution

The fourth proportional to 1,636,495.65, 2,455,129.71 and 514,564.65 is: 771,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,495.65 : 2,455,129.71 = 514,564.65 : x
  2. Step 2: Convert to fraction form
    1,636,495.65/2,455,129.71 = 514,564.65/x
  3. Step 3: Cross multiply
    1,636,495.65x = 2,455,129.71 × 514,564.65
  4. Step 4: Simplify right side
    1,636,495.65x = 1,263,322,959,930.75
  5. Step 5: Solve for x
    x = 1,263,322,959,930.75/1,636,495.65
  6. Step 6: Final answer
    x = 771,968.42

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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.