Home / 919,361.34-1,376,190.81-497,591.10

Finding the Fourth Proportional to 919,361.34, 1,376,190.81 and 497,591.10

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Solution

The fourth proportional to 919,361.34, 1,376,190.81 and 497,591.10 is: 744,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,361.34 : 1,376,190.81 = 497,591.10 : x
  2. Step 2: Convert to fraction form
    919,361.34/1,376,190.81 = 497,591.10/x
  3. Step 3: Cross multiply
    919,361.34x = 1,376,190.81 × 497,591.10
  4. Step 4: Simplify right side
    919,361.34x = 684,780,298,957.79
  5. Step 5: Solve for x
    x = 684,780,298,957.79/919,361.34
  6. Step 6: Final answer
    x = 744,843.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.