Home / 727,552.17-1,003,888.94-405,254.07

Finding the Fourth Proportional to 727,552.17, 1,003,888.94 and 405,254.07

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Solution

The fourth proportional to 727,552.17, 1,003,888.94 and 405,254.07 is: 559,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,552.17 : 1,003,888.94 = 405,254.07 : x
  2. Step 2: Convert to fraction form
    727,552.17/1,003,888.94 = 405,254.07/x
  3. Step 3: Cross multiply
    727,552.17x = 1,003,888.94 × 405,254.07
  4. Step 4: Simplify right side
    727,552.17x = 406,830,076,736.72
  5. Step 5: Solve for x
    x = 406,830,076,736.72/727,552.17
  6. Step 6: Final answer
    x = 559,176.50

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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.