Home / 912,868.98-1,259,649.43-525,810.29

Finding the Fourth Proportional to 912,868.98, 1,259,649.43 and 525,810.29

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Solution

The fourth proportional to 912,868.98, 1,259,649.43 and 525,810.29 is: 725,554.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,868.98 : 1,259,649.43 = 525,810.29 : x
  2. Step 2: Convert to fraction form
    912,868.98/1,259,649.43 = 525,810.29/x
  3. Step 3: Cross multiply
    912,868.98x = 1,259,649.43 × 525,810.29
  4. Step 4: Simplify right side
    912,868.98x = 662,336,632,086.64
  5. Step 5: Solve for x
    x = 662,336,632,086.64/912,868.98
  6. Step 6: Final answer
    x = 725,554.98

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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.