Home / 1,259,302.17-1,737,883.45-715,530.06

Finding the Fourth Proportional to 1,259,302.17, 1,737,883.45 and 715,530.06

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Solution

The fourth proportional to 1,259,302.17, 1,737,883.45 and 715,530.06 is: 987,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,302.17 : 1,737,883.45 = 715,530.06 : x
  2. Step 2: Convert to fraction form
    1,259,302.17/1,737,883.45 = 715,530.06/x
  3. Step 3: Cross multiply
    1,259,302.17x = 1,737,883.45 × 715,530.06
  4. Step 4: Simplify right side
    1,259,302.17x = 1,243,507,855,033.72
  5. Step 5: Solve for x
    x = 1,243,507,855,033.72/1,259,302.17
  6. Step 6: Final answer
    x = 987,457.88

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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.