Home / 916,663.80-1,265,228.58-626,392.86

Finding the Fourth Proportional to 916,663.80, 1,265,228.58 and 626,392.86

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Solution

The fourth proportional to 916,663.80, 1,265,228.58 and 626,392.86 is: 864,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,663.80 : 1,265,228.58 = 626,392.86 : x
  2. Step 2: Convert to fraction form
    916,663.80/1,265,228.58 = 626,392.86/x
  3. Step 3: Cross multiply
    916,663.80x = 1,265,228.58 × 626,392.86
  4. Step 4: Simplify right side
    916,663.80x = 792,530,148,779.94
  5. Step 5: Solve for x
    x = 792,530,148,779.94/916,663.80
  6. Step 6: Final answer
    x = 864,581.05

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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.