Home / 911,460.96-1,257,731.28-529,482.24

Finding the Fourth Proportional to 911,460.96, 1,257,731.28 and 529,482.24

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Solution

The fourth proportional to 911,460.96, 1,257,731.28 and 529,482.24 is: 730,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,460.96 : 1,257,731.28 = 529,482.24 : x
  2. Step 2: Convert to fraction form
    911,460.96/1,257,731.28 = 529,482.24/x
  3. Step 3: Cross multiply
    911,460.96x = 1,257,731.28 × 529,482.24
  4. Step 4: Simplify right side
    911,460.96x = 665,946,375,452.47
  5. Step 5: Solve for x
    x = 665,946,375,452.47/911,460.96
  6. Step 6: Final answer
    x = 730,636.20

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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.