Home / 459,003.40-688,505.10-441,507.40

Finding the Fourth Proportional to 459,003.40, 688,505.10 and 441,507.40

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Solution

The fourth proportional to 459,003.40, 688,505.10 and 441,507.40 is: 662,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,003.40 : 688,505.10 = 441,507.40 : x
  2. Step 2: Convert to fraction form
    459,003.40/688,505.10 = 441,507.40/x
  3. Step 3: Cross multiply
    459,003.40x = 688,505.10 × 441,507.40
  4. Step 4: Simplify right side
    459,003.40x = 303,980,096,587.74
  5. Step 5: Solve for x
    x = 303,980,096,587.74/459,003.40
  6. Step 6: Final answer
    x = 662,261.10

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Similar ratio
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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.