Home / 864,089.10-1,296,133.65-548,772.30

Finding the Fourth Proportional to 864,089.10, 1,296,133.65 and 548,772.30

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Solution

The fourth proportional to 864,089.10, 1,296,133.65 and 548,772.30 is: 823,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,089.10 : 1,296,133.65 = 548,772.30 : x
  2. Step 2: Convert to fraction form
    864,089.10/1,296,133.65 = 548,772.30/x
  3. Step 3: Cross multiply
    864,089.10x = 1,296,133.65 × 548,772.30
  4. Step 4: Simplify right side
    864,089.10x = 711,282,244,217.90
  5. Step 5: Solve for x
    x = 711,282,244,217.90/864,089.10
  6. Step 6: Final answer
    x = 823,158.45

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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.