Home / 1,259,508.89-1,738,056.69-715,569.19

Finding the Fourth Proportional to 1,259,508.89, 1,738,056.69 and 715,569.19

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Solution

The fourth proportional to 1,259,508.89, 1,738,056.69 and 715,569.19 is: 987,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,508.89 : 1,738,056.69 = 715,569.19 : x
  2. Step 2: Convert to fraction form
    1,259,508.89/1,738,056.69 = 715,569.19/x
  3. Step 3: Cross multiply
    1,259,508.89x = 1,738,056.69 × 715,569.19
  4. Step 4: Simplify right side
    1,259,508.89x = 1,243,699,813,492.24
  5. Step 5: Solve for x
    x = 1,243,699,813,492.24/1,259,508.89
  6. Step 6: Final answer
    x = 987,448.22

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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.