Home / 964,009.20-1,446,013.80-565,100.40

Finding the Fourth Proportional to 964,009.20, 1,446,013.80 and 565,100.40

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Solution

The fourth proportional to 964,009.20, 1,446,013.80 and 565,100.40 is: 847,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,009.20 : 1,446,013.80 = 565,100.40 : x
  2. Step 2: Convert to fraction form
    964,009.20/1,446,013.80 = 565,100.40/x
  3. Step 3: Cross multiply
    964,009.20x = 1,446,013.80 × 565,100.40
  4. Step 4: Simplify right side
    964,009.20x = 817,142,976,785.52
  5. Step 5: Solve for x
    x = 817,142,976,785.52/964,009.20
  6. Step 6: Final answer
    x = 847,650.60

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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.