Home / 916,659.80-1,265,223.05-626,388.86

Finding the Fourth Proportional to 916,659.80, 1,265,223.05 and 626,388.86

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Solution

The fourth proportional to 916,659.80, 1,265,223.05 and 626,388.86 is: 864,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,659.80 : 1,265,223.05 = 626,388.86 : x
  2. Step 2: Convert to fraction form
    916,659.80/1,265,223.05 = 626,388.86/x
  3. Step 3: Cross multiply
    916,659.80x = 1,265,223.05 × 626,388.86
  4. Step 4: Simplify right side
    916,659.80x = 792,521,614,477.16
  5. Step 5: Solve for x
    x = 792,521,614,477.16/916,659.80
  6. Step 6: Final answer
    x = 864,575.52

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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.