Home / 760,693.68-1,049,827.70-421,161.93

Finding the Fourth Proportional to 760,693.68, 1,049,827.70 and 421,161.93

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Solution

The fourth proportional to 760,693.68, 1,049,827.70 and 421,161.93 is: 581,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,693.68 : 1,049,827.70 = 421,161.93 : x
  2. Step 2: Convert to fraction form
    760,693.68/1,049,827.70 = 421,161.93/x
  3. Step 3: Cross multiply
    760,693.68x = 1,049,827.70 × 421,161.93
  4. Step 4: Simplify right side
    760,693.68x = 442,147,460,299.46
  5. Step 5: Solve for x
    x = 442,147,460,299.46/760,693.68
  6. Step 6: Final answer
    x = 581,242.45

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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.