Home / 888,544.46-1,225,801.80-520,835.18

Finding the Fourth Proportional to 888,544.46, 1,225,801.80 and 520,835.18

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Solution

The fourth proportional to 888,544.46, 1,225,801.80 and 520,835.18 is: 718,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,544.46 : 1,225,801.80 = 520,835.18 : x
  2. Step 2: Convert to fraction form
    888,544.46/1,225,801.80 = 520,835.18/x
  3. Step 3: Cross multiply
    888,544.46x = 1,225,801.80 × 520,835.18
  4. Step 4: Simplify right side
    888,544.46x = 638,440,701,147.32
  5. Step 5: Solve for x
    x = 638,440,701,147.32/888,544.46
  6. Step 6: Final answer
    x = 718,524.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.