Home / 939,222.70-1,409,611.65-434,560.30

Finding the Fourth Proportional to 939,222.70, 1,409,611.65 and 434,560.30

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Solution

The fourth proportional to 939,222.70, 1,409,611.65 and 434,560.30 is: 652,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,222.70 : 1,409,611.65 = 434,560.30 : x
  2. Step 2: Convert to fraction form
    939,222.70/1,409,611.65 = 434,560.30/x
  3. Step 3: Cross multiply
    939,222.70x = 1,409,611.65 × 434,560.30
  4. Step 4: Simplify right side
    939,222.70x = 612,561,261,507.50
  5. Step 5: Solve for x
    x = 612,561,261,507.50/939,222.70
  6. Step 6: Final answer
    x = 652,200.23

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Double scale
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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.