Home / 621,048.20-931,572.30-177,816.20

Finding the Fourth Proportional to 621,048.20, 931,572.30 and 177,816.20

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Solution

The fourth proportional to 621,048.20, 931,572.30 and 177,816.20 is: 266,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,048.20 : 931,572.30 = 177,816.20 : x
  2. Step 2: Convert to fraction form
    621,048.20/931,572.30 = 177,816.20/x
  3. Step 3: Cross multiply
    621,048.20x = 931,572.30 × 177,816.20
  4. Step 4: Simplify right side
    621,048.20x = 165,648,646,411.26
  5. Step 5: Solve for x
    x = 165,648,646,411.26/621,048.20
  6. Step 6: Final answer
    x = 266,724.30

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Half scale
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Double scale
Find fourth proportional to 621,049.20, 931,573.80 and 177,817.20
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.