Home / 910,528.80-1,365,793.20-349,576.80

Finding the Fourth Proportional to 910,528.80, 1,365,793.20 and 349,576.80

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Solution

The fourth proportional to 910,528.80, 1,365,793.20 and 349,576.80 is: 524,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,528.80 : 1,365,793.20 = 349,576.80 : x
  2. Step 2: Convert to fraction form
    910,528.80/1,365,793.20 = 349,576.80/x
  3. Step 3: Cross multiply
    910,528.80x = 1,365,793.20 × 349,576.80
  4. Step 4: Simplify right side
    910,528.80x = 477,449,616,317.76
  5. Step 5: Solve for x
    x = 477,449,616,317.76/910,528.80
  6. Step 6: Final answer
    x = 524,365.20

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Double scale
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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.