Home / 1,332,800.10-1,999,200.15-386,201.70

Finding the Fourth Proportional to 1,332,800.10, 1,999,200.15 and 386,201.70

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Solution

The fourth proportional to 1,332,800.10, 1,999,200.15 and 386,201.70 is: 579,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,800.10 : 1,999,200.15 = 386,201.70 : x
  2. Step 2: Convert to fraction form
    1,332,800.10/1,999,200.15 = 386,201.70/x
  3. Step 3: Cross multiply
    1,332,800.10x = 1,999,200.15 × 386,201.70
  4. Step 4: Simplify right side
    1,332,800.10x = 772,094,496,570.26
  5. Step 5: Solve for x
    x = 772,094,496,570.26/1,332,800.10
  6. Step 6: Final answer
    x = 579,302.55

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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.