Home / 455,716.08-628,925.04-251,784.90

Finding the Fourth Proportional to 455,716.08, 628,925.04 and 251,784.90

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Solution

The fourth proportional to 455,716.08, 628,925.04 and 251,784.90 is: 347,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,716.08 : 628,925.04 = 251,784.90 : x
  2. Step 2: Convert to fraction form
    455,716.08/628,925.04 = 251,784.90/x
  3. Step 3: Cross multiply
    455,716.08x = 628,925.04 × 251,784.90
  4. Step 4: Simplify right side
    455,716.08x = 158,353,828,303.90
  5. Step 5: Solve for x
    x = 158,353,828,303.90/455,716.08
  6. Step 6: Final answer
    x = 347,483.52

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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.