Home / 712,101.16-1,068,519.90-313,022.12

Finding the Fourth Proportional to 712,101.16, 1,068,519.90 and 313,022.12

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Solution

The fourth proportional to 712,101.16, 1,068,519.90 and 313,022.12 is: 469,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,101.16 : 1,068,519.90 = 313,022.12 : x
  2. Step 2: Convert to fraction form
    712,101.16/1,068,519.90 = 313,022.12/x
  3. Step 3: Cross multiply
    712,101.16x = 1,068,519.90 × 313,022.12
  4. Step 4: Simplify right side
    712,101.16x = 334,470,364,360.19
  5. Step 5: Solve for x
    x = 334,470,364,360.19/712,101.16
  6. Step 6: Final answer
    x = 469,695.01

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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.