Home / 830,528.70-1,244,963.61-410,106.30

Finding the Fourth Proportional to 830,528.70, 1,244,963.61 and 410,106.30

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Solution

The fourth proportional to 830,528.70, 1,244,963.61 and 410,106.30 is: 614,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,528.70 : 1,244,963.61 = 410,106.30 : x
  2. Step 2: Convert to fraction form
    830,528.70/1,244,963.61 = 410,106.30/x
  3. Step 3: Cross multiply
    830,528.70x = 1,244,963.61 × 410,106.30
  4. Step 4: Simplify right side
    830,528.70x = 510,567,419,731.74
  5. Step 5: Solve for x
    x = 510,567,419,731.74/830,528.70
  6. Step 6: Final answer
    x = 614,749.88

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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.