Home / 700,322.10-1,050,811.19-345,142.37

Finding the Fourth Proportional to 700,322.10, 1,050,811.19 and 345,142.37

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Solution

The fourth proportional to 700,322.10, 1,050,811.19 and 345,142.37 is: 517,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,322.10 : 1,050,811.19 = 345,142.37 : x
  2. Step 2: Convert to fraction form
    700,322.10/1,050,811.19 = 345,142.37/x
  3. Step 3: Cross multiply
    700,322.10x = 1,050,811.19 × 345,142.37
  4. Step 4: Simplify right side
    700,322.10x = 362,679,457,559.35
  5. Step 5: Solve for x
    x = 362,679,457,559.35/700,322.10
  6. Step 6: Final answer
    x = 517,875.21

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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.