Home / 865,590.07-1,297,253.98-626,509.27

Finding the Fourth Proportional to 865,590.07, 1,297,253.98 and 626,509.27

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Solution

The fourth proportional to 865,590.07, 1,297,253.98 and 626,509.27 is: 938,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,590.07 : 1,297,253.98 = 626,509.27 : x
  2. Step 2: Convert to fraction form
    865,590.07/1,297,253.98 = 626,509.27/x
  3. Step 3: Cross multiply
    865,590.07x = 1,297,253.98 × 626,509.27
  4. Step 4: Simplify right side
    865,590.07x = 812,741,644,014.40
  5. Step 5: Solve for x
    x = 812,741,644,014.40/865,590.07
  6. Step 6: Final answer
    x = 938,945.20

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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.