Home / 1,085,871.83-1,498,657.95-626,894.64

Finding the Fourth Proportional to 1,085,871.83, 1,498,657.95 and 626,894.64

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Solution

The fourth proportional to 1,085,871.83, 1,498,657.95 and 626,894.64 is: 865,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,871.83 : 1,498,657.95 = 626,894.64 : x
  2. Step 2: Convert to fraction form
    1,085,871.83/1,498,657.95 = 626,894.64/x
  3. Step 3: Cross multiply
    1,085,871.83x = 1,498,657.95 × 626,894.64
  4. Step 4: Simplify right side
    1,085,871.83x = 939,500,636,048.39
  5. Step 5: Solve for x
    x = 939,500,636,048.39/1,085,871.83
  6. Step 6: Final answer
    x = 865,203.99

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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.