Home / 562,418.06-776,136.95-307,769.26

Finding the Fourth Proportional to 562,418.06, 776,136.95 and 307,769.26

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Solution

The fourth proportional to 562,418.06, 776,136.95 and 307,769.26 is: 424,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,418.06 : 776,136.95 = 307,769.26 : x
  2. Step 2: Convert to fraction form
    562,418.06/776,136.95 = 307,769.26/x
  3. Step 3: Cross multiply
    562,418.06x = 776,136.95 × 307,769.26
  4. Step 4: Simplify right side
    562,418.06x = 238,871,094,760.16
  5. Step 5: Solve for x
    x = 238,871,094,760.16/562,418.06
  6. Step 6: Final answer
    x = 424,721.59

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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.