Home / 838,841.14-1,157,750.90-494,656.21

Finding the Fourth Proportional to 838,841.14, 1,157,750.90 and 494,656.21

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Solution

The fourth proportional to 838,841.14, 1,157,750.90 and 494,656.21 is: 682,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,841.14 : 1,157,750.90 = 494,656.21 : x
  2. Step 2: Convert to fraction form
    838,841.14/1,157,750.90 = 494,656.21/x
  3. Step 3: Cross multiply
    838,841.14x = 1,157,750.90 × 494,656.21
  4. Step 4: Simplify right side
    838,841.14x = 572,688,672,318.09
  5. Step 5: Solve for x
    x = 572,688,672,318.09/838,841.14
  6. Step 6: Final answer
    x = 682,714.10

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Double scale
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1.5x scale

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.