Home / 677,931.96-936,784.02-493,850.16

Finding the Fourth Proportional to 677,931.96, 936,784.02 and 493,850.16

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Solution

The fourth proportional to 677,931.96, 936,784.02 and 493,850.16 is: 682,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,931.96 : 936,784.02 = 493,850.16 : x
  2. Step 2: Convert to fraction form
    677,931.96/936,784.02 = 493,850.16/x
  3. Step 3: Cross multiply
    677,931.96x = 936,784.02 × 493,850.16
  4. Step 4: Simplify right side
    677,931.96x = 462,630,938,162.44
  5. Step 5: Solve for x
    x = 462,630,938,162.44/677,931.96
  6. Step 6: Final answer
    x = 682,415.00

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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.