Home / 828,150.30-1,242,225.45-544,715.10

Finding the Fourth Proportional to 828,150.30, 1,242,225.45 and 544,715.10

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Solution

The fourth proportional to 828,150.30, 1,242,225.45 and 544,715.10 is: 817,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,150.30 : 1,242,225.45 = 544,715.10 : x
  2. Step 2: Convert to fraction form
    828,150.30/1,242,225.45 = 544,715.10/x
  3. Step 3: Cross multiply
    828,150.30x = 1,242,225.45 × 544,715.10
  4. Step 4: Simplify right side
    828,150.30x = 676,658,960,219.30
  5. Step 5: Solve for x
    x = 676,658,960,219.30/828,150.30
  6. Step 6: Final answer
    x = 817,072.65

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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.