Home / 700,346.28-1,050,847.47-345,166.68

Finding the Fourth Proportional to 700,346.28, 1,050,847.47 and 345,166.68

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Solution

The fourth proportional to 700,346.28, 1,050,847.47 and 345,166.68 is: 517,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,346.28 : 1,050,847.47 = 345,166.68 : x
  2. Step 2: Convert to fraction form
    700,346.28/1,050,847.47 = 345,166.68/x
  3. Step 3: Cross multiply
    700,346.28x = 1,050,847.47 × 345,166.68
  4. Step 4: Simplify right side
    700,346.28x = 362,717,532,406.30
  5. Step 5: Solve for x
    x = 362,717,532,406.30/700,346.28
  6. Step 6: Final answer
    x = 517,911.70

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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.