Home / 760,693.49-1,049,827.44-421,161.74

Finding the Fourth Proportional to 760,693.49, 1,049,827.44 and 421,161.74

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Solution

The fourth proportional to 760,693.49, 1,049,827.44 and 421,161.74 is: 581,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,693.49 : 1,049,827.44 = 421,161.74 : x
  2. Step 2: Convert to fraction form
    760,693.49/1,049,827.44 = 421,161.74/x
  3. Step 3: Cross multiply
    760,693.49x = 1,049,827.44 × 421,161.74
  4. Step 4: Simplify right side
    760,693.49x = 442,147,149,224.34
  5. Step 5: Solve for x
    x = 442,147,149,224.34/760,693.49
  6. Step 6: Final answer
    x = 581,242.19

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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.