Home / 820,256.40-1,230,384.60-596,307.60

Finding the Fourth Proportional to 820,256.40, 1,230,384.60 and 596,307.60

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Solution

The fourth proportional to 820,256.40, 1,230,384.60 and 596,307.60 is: 894,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,256.40 : 1,230,384.60 = 596,307.60 : x
  2. Step 2: Convert to fraction form
    820,256.40/1,230,384.60 = 596,307.60/x
  3. Step 3: Cross multiply
    820,256.40x = 1,230,384.60 × 596,307.60
  4. Step 4: Simplify right side
    820,256.40x = 733,687,687,902.96
  5. Step 5: Solve for x
    x = 733,687,687,902.96/820,256.40
  6. Step 6: Final answer
    x = 894,461.40

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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.