Home / 758,838.51-1,045,233.18-528,984.81

Finding the Fourth Proportional to 758,838.51, 1,045,233.18 and 528,984.81

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Solution

The fourth proportional to 758,838.51, 1,045,233.18 and 528,984.81 is: 728,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,838.51 : 1,045,233.18 = 528,984.81 : x
  2. Step 2: Convert to fraction form
    758,838.51/1,045,233.18 = 528,984.81/x
  3. Step 3: Cross multiply
    758,838.51x = 1,045,233.18 × 528,984.81
  4. Step 4: Simplify right side
    758,838.51x = 552,912,475,128.00
  5. Step 5: Solve for x
    x = 552,912,475,128.00/758,838.51
  6. Step 6: Final answer
    x = 728,629.96

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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.