Home / 713,031.36-1,069,370.88-313,772.16

Finding the Fourth Proportional to 713,031.36, 1,069,370.88 and 313,772.16

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Solution

The fourth proportional to 713,031.36, 1,069,370.88 and 313,772.16 is: 470,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,031.36 : 1,069,370.88 = 313,772.16 : x
  2. Step 2: Convert to fraction form
    713,031.36/1,069,370.88 = 313,772.16/x
  3. Step 3: Cross multiply
    713,031.36x = 1,069,370.88 × 313,772.16
  4. Step 4: Simplify right side
    713,031.36x = 335,538,810,858.70
  5. Step 5: Solve for x
    x = 335,538,810,858.70/713,031.36
  6. Step 6: Final answer
    x = 470,580.72

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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.