Home / 939,768.30-1,409,701.62-434,800.92

Finding the Fourth Proportional to 939,768.30, 1,409,701.62 and 434,800.92

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Solution

The fourth proportional to 939,768.30, 1,409,701.62 and 434,800.92 is: 652,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,768.30 : 1,409,701.62 = 434,800.92 : x
  2. Step 2: Convert to fraction form
    939,768.30/1,409,701.62 = 434,800.92/x
  3. Step 3: Cross multiply
    939,768.30x = 1,409,701.62 × 434,800.92
  4. Step 4: Simplify right side
    939,768.30x = 612,939,561,301.49
  5. Step 5: Solve for x
    x = 612,939,561,301.49/939,768.30
  6. Step 6: Final answer
    x = 652,224.13

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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.