Home / 490,660.74-736,089.93-175,109.40

Finding the Fourth Proportional to 490,660.74, 736,089.93 and 175,109.40

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Solution

The fourth proportional to 490,660.74, 736,089.93 and 175,109.40 is: 262,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,660.74 : 736,089.93 = 175,109.40 : x
  2. Step 2: Convert to fraction form
    490,660.74/736,089.93 = 175,109.40/x
  3. Step 3: Cross multiply
    490,660.74x = 736,089.93 × 175,109.40
  4. Step 4: Simplify right side
    490,660.74x = 128,896,265,988.34
  5. Step 5: Solve for x
    x = 128,896,265,988.34/490,660.74
  6. Step 6: Final answer
    x = 262,699.37

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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.