Home / 687,941.83-949,327.79-382,037.64

Finding the Fourth Proportional to 687,941.83, 949,327.79 and 382,037.64

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Solution

The fourth proportional to 687,941.83, 949,327.79 and 382,037.64 is: 527,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,941.83 : 949,327.79 = 382,037.64 : x
  2. Step 2: Convert to fraction form
    687,941.83/949,327.79 = 382,037.64/x
  3. Step 3: Cross multiply
    687,941.83x = 949,327.79 × 382,037.64
  4. Step 4: Simplify right side
    687,941.83x = 362,678,948,478.02
  5. Step 5: Solve for x
    x = 362,678,948,478.02/687,941.83
  6. Step 6: Final answer
    x = 527,194.21

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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.