Home / 626,918.76-865,368.63-372,268.17

Finding the Fourth Proportional to 626,918.76, 865,368.63 and 372,268.17

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Solution

The fourth proportional to 626,918.76, 865,368.63 and 372,268.17 is: 513,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,918.76 : 865,368.63 = 372,268.17 : x
  2. Step 2: Convert to fraction form
    626,918.76/865,368.63 = 372,268.17/x
  3. Step 3: Cross multiply
    626,918.76x = 865,368.63 × 372,268.17
  4. Step 4: Simplify right side
    626,918.76x = 322,149,196,265.51
  5. Step 5: Solve for x
    x = 322,149,196,265.51/626,918.76
  6. Step 6: Final answer
    x = 513,861.15

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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.