Home / 913,200.30-1,369,800.45-414,564.30

Finding the Fourth Proportional to 913,200.30, 1,369,800.45 and 414,564.30

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Solution

The fourth proportional to 913,200.30, 1,369,800.45 and 414,564.30 is: 621,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,200.30 : 1,369,800.45 = 414,564.30 : x
  2. Step 2: Convert to fraction form
    913,200.30/1,369,800.45 = 414,564.30/x
  3. Step 3: Cross multiply
    913,200.30x = 1,369,800.45 × 414,564.30
  4. Step 4: Simplify right side
    913,200.30x = 567,870,364,693.94
  5. Step 5: Solve for x
    x = 567,870,364,693.94/913,200.30
  6. Step 6: Final answer
    x = 621,846.45

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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.