Home / 623,739.12-935,467.58-286,455.54

Finding the Fourth Proportional to 623,739.12, 935,467.58 and 286,455.54

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Solution

The fourth proportional to 623,739.12, 935,467.58 and 286,455.54 is: 429,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,739.12 : 935,467.58 = 286,455.54 : x
  2. Step 2: Convert to fraction form
    623,739.12/935,467.58 = 286,455.54/x
  3. Step 3: Cross multiply
    623,739.12x = 935,467.58 × 286,455.54
  4. Step 4: Simplify right side
    623,739.12x = 267,969,870,781.39
  5. Step 5: Solve for x
    x = 267,969,870,781.39/623,739.12
  6. Step 6: Final answer
    x = 429,618.51

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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.