Home / 891,803.34-1,230,607.35-529,164.72

Finding the Fourth Proportional to 891,803.34, 1,230,607.35 and 529,164.72

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Solution

The fourth proportional to 891,803.34, 1,230,607.35 and 529,164.72 is: 730,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,803.34 : 1,230,607.35 = 529,164.72 : x
  2. Step 2: Convert to fraction form
    891,803.34/1,230,607.35 = 529,164.72/x
  3. Step 3: Cross multiply
    891,803.34x = 1,230,607.35 × 529,164.72
  4. Step 4: Simplify right side
    891,803.34x = 651,193,993,792.69
  5. Step 5: Solve for x
    x = 651,193,993,792.69/891,803.34
  6. Step 6: Final answer
    x = 730,199.10

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Double scale
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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.