Home / 891,812.34-1,230,619.68-529,173.72

Finding the Fourth Proportional to 891,812.34, 1,230,619.68 and 529,173.72

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Solution

The fourth proportional to 891,812.34, 1,230,619.68 and 529,173.72 is: 730,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,812.34 : 1,230,619.68 = 529,173.72 : x
  2. Step 2: Convert to fraction form
    891,812.34/1,230,619.68 = 529,173.72/x
  3. Step 3: Cross multiply
    891,812.34x = 1,230,619.68 × 529,173.72
  4. Step 4: Simplify right side
    891,812.34x = 651,211,593,970.81
  5. Step 5: Solve for x
    x = 651,211,593,970.81/891,812.34
  6. Step 6: Final answer
    x = 730,211.46

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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.