Home / 1,297,547.37-1,790,619.21-724,609.26

Finding the Fourth Proportional to 1,297,547.37, 1,790,619.21 and 724,609.26

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Solution

The fourth proportional to 1,297,547.37, 1,790,619.21 and 724,609.26 is: 999,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,547.37 : 1,790,619.21 = 724,609.26 : x
  2. Step 2: Convert to fraction form
    1,297,547.37/1,790,619.21 = 724,609.26/x
  3. Step 3: Cross multiply
    1,297,547.37x = 1,790,619.21 × 724,609.26
  4. Step 4: Simplify right side
    1,297,547.37x = 1,297,499,260,699.88
  5. Step 5: Solve for x
    x = 1,297,499,260,699.88/1,297,547.37
  6. Step 6: Final answer
    x = 999,962.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.