Home / 760,693.24-1,049,827.10-421,161.50

Finding the Fourth Proportional to 760,693.24, 1,049,827.10 and 421,161.50

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Solution

The fourth proportional to 760,693.24, 1,049,827.10 and 421,161.50 is: 581,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,693.24 : 1,049,827.10 = 421,161.50 : x
  2. Step 2: Convert to fraction form
    760,693.24/1,049,827.10 = 421,161.50/x
  3. Step 3: Cross multiply
    760,693.24x = 1,049,827.10 × 421,161.50
  4. Step 4: Simplify right side
    760,693.24x = 442,146,756,176.65
  5. Step 5: Solve for x
    x = 442,146,756,176.65/760,693.24
  6. Step 6: Final answer
    x = 581,241.86

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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.