Home / 705,386.39-973,496.70-399,537.17

Finding the Fourth Proportional to 705,386.39, 973,496.70 and 399,537.17

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Solution

The fourth proportional to 705,386.39, 973,496.70 and 399,537.17 is: 551,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,386.39 : 973,496.70 = 399,537.17 : x
  2. Step 2: Convert to fraction form
    705,386.39/973,496.70 = 399,537.17/x
  3. Step 3: Cross multiply
    705,386.39x = 973,496.70 × 399,537.17
  4. Step 4: Simplify right side
    705,386.39x = 388,948,111,654.86
  5. Step 5: Solve for x
    x = 388,948,111,654.86/705,386.39
  6. Step 6: Final answer
    x = 551,397.24

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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.