Home / 959,338.69-1,438,526.67-319,417.03

Finding the Fourth Proportional to 959,338.69, 1,438,526.67 and 319,417.03

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Solution

The fourth proportional to 959,338.69, 1,438,526.67 and 319,417.03 is: 478,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,338.69 : 1,438,526.67 = 319,417.03 : x
  2. Step 2: Convert to fraction form
    959,338.69/1,438,526.67 = 319,417.03/x
  3. Step 3: Cross multiply
    959,338.69x = 1,438,526.67 × 319,417.03
  4. Step 4: Simplify right side
    959,338.69x = 459,489,916,507.19
  5. Step 5: Solve for x
    x = 459,489,916,507.19/959,338.69
  6. Step 6: Final answer
    x = 478,965.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.