Home / 700,321.60-1,050,810.44-345,141.87

Finding the Fourth Proportional to 700,321.60, 1,050,810.44 and 345,141.87

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Solution

The fourth proportional to 700,321.60, 1,050,810.44 and 345,141.87 is: 517,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,321.60 : 1,050,810.44 = 345,141.87 : x
  2. Step 2: Convert to fraction form
    700,321.60/1,050,810.44 = 345,141.87/x
  3. Step 3: Cross multiply
    700,321.60x = 1,050,810.44 × 345,141.87
  4. Step 4: Simplify right side
    700,321.60x = 362,678,680,277.12
  5. Step 5: Solve for x
    x = 362,678,680,277.12/700,321.60
  6. Step 6: Final answer
    x = 517,874.47

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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.