Home / 1,259,434.38-1,738,019.94-715,570.89

Finding the Fourth Proportional to 1,259,434.38, 1,738,019.94 and 715,570.89

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Solution

The fourth proportional to 1,259,434.38, 1,738,019.94 and 715,570.89 is: 987,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,434.38 : 1,738,019.94 = 715,570.89 : x
  2. Step 2: Convert to fraction form
    1,259,434.38/1,738,019.94 = 715,570.89/x
  3. Step 3: Cross multiply
    1,259,434.38x = 1,738,019.94 × 715,570.89
  4. Step 4: Simplify right side
    1,259,434.38x = 1,243,676,475,303.55
  5. Step 5: Solve for x
    x = 1,243,676,475,303.55/1,259,434.38
  6. Step 6: Final answer
    x = 987,488.11

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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.