Home / 710,743.36-1,065,724.56-350,120.70

Finding the Fourth Proportional to 710,743.36, 1,065,724.56 and 350,120.70

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Solution

The fourth proportional to 710,743.36, 1,065,724.56 and 350,120.70 is: 524,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,743.36 : 1,065,724.56 = 350,120.70 : x
  2. Step 2: Convert to fraction form
    710,743.36/1,065,724.56 = 350,120.70/x
  3. Step 3: Cross multiply
    710,743.36x = 1,065,724.56 × 350,120.70
  4. Step 4: Simplify right side
    710,743.36x = 373,132,228,954.39
  5. Step 5: Solve for x
    x = 373,132,228,954.39/710,743.36
  6. Step 6: Final answer
    x = 524,988.69

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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.