Home / 1,029,176.52-1,420,263.60-626,768.52

Finding the Fourth Proportional to 1,029,176.52, 1,420,263.60 and 626,768.52

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Solution

The fourth proportional to 1,029,176.52, 1,420,263.60 and 626,768.52 is: 864,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,176.52 : 1,420,263.60 = 626,768.52 : x
  2. Step 2: Convert to fraction form
    1,029,176.52/1,420,263.60 = 626,768.52/x
  3. Step 3: Cross multiply
    1,029,176.52x = 1,420,263.60 × 626,768.52
  4. Step 4: Simplify right side
    1,029,176.52x = 890,176,514,581.87
  5. Step 5: Solve for x
    x = 890,176,514,581.87/1,029,176.52
  6. Step 6: Final answer
    x = 864,940.56

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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.