Home / 1,393,303.50-2,090,141.55-551,658.42

Finding the Fourth Proportional to 1,393,303.50, 2,090,141.55 and 551,658.42

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Solution

The fourth proportional to 1,393,303.50, 2,090,141.55 and 551,658.42 is: 827,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,303.50 : 2,090,141.55 = 551,658.42 : x
  2. Step 2: Convert to fraction form
    1,393,303.50/2,090,141.55 = 551,658.42/x
  3. Step 3: Cross multiply
    1,393,303.50x = 2,090,141.55 × 551,658.42
  4. Step 4: Simplify right side
    1,393,303.50x = 1,153,044,185,049.35
  5. Step 5: Solve for x
    x = 1,153,044,185,049.35/1,393,303.50
  6. Step 6: Final answer
    x = 827,561.39

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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.