Home / 637,829.40-956,744.10-258,749.40

Finding the Fourth Proportional to 637,829.40, 956,744.10 and 258,749.40

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Solution

The fourth proportional to 637,829.40, 956,744.10 and 258,749.40 is: 388,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,829.40 : 956,744.10 = 258,749.40 : x
  2. Step 2: Convert to fraction form
    637,829.40/956,744.10 = 258,749.40/x
  3. Step 3: Cross multiply
    637,829.40x = 956,744.10 × 258,749.40
  4. Step 4: Simplify right side
    637,829.40x = 247,556,961,828.54
  5. Step 5: Solve for x
    x = 247,556,961,828.54/637,829.40
  6. Step 6: Final answer
    x = 388,124.10

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Similar ratio
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1.5x scale

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.