Home / 1,047,543.46-1,570,672.10-407,099.39

Finding the Fourth Proportional to 1,047,543.46, 1,570,672.10 and 407,099.39

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Solution

The fourth proportional to 1,047,543.46, 1,570,672.10 and 407,099.39 is: 610,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,543.46 : 1,570,672.10 = 407,099.39 : x
  2. Step 2: Convert to fraction form
    1,047,543.46/1,570,672.10 = 407,099.39/x
  3. Step 3: Cross multiply
    1,047,543.46x = 1,570,672.10 × 407,099.39
  4. Step 4: Simplify right side
    1,047,543.46x = 639,419,653,800.02
  5. Step 5: Solve for x
    x = 639,419,653,800.02/1,047,543.46
  6. Step 6: Final answer
    x = 610,399.17

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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.