Home / 916,674.60-1,265,243.48-626,403.68

Finding the Fourth Proportional to 916,674.60, 1,265,243.48 and 626,403.68

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Solution

The fourth proportional to 916,674.60, 1,265,243.48 and 626,403.68 is: 864,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,674.60 : 1,265,243.48 = 626,403.68 : x
  2. Step 2: Convert to fraction form
    916,674.60/1,265,243.48 = 626,403.68/x
  3. Step 3: Cross multiply
    916,674.60x = 1,265,243.48 × 626,403.68
  4. Step 4: Simplify right side
    916,674.60x = 792,553,171,968.01
  5. Step 5: Solve for x
    x = 792,553,171,968.01/916,674.60
  6. Step 6: Final answer
    x = 864,595.98

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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.