Home / 676,056.12-933,589.64-434,757.72

Finding the Fourth Proportional to 676,056.12, 933,589.64 and 434,757.72

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Solution

The fourth proportional to 676,056.12, 933,589.64 and 434,757.72 is: 600,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,056.12 : 933,589.64 = 434,757.72 : x
  2. Step 2: Convert to fraction form
    676,056.12/933,589.64 = 434,757.72/x
  3. Step 3: Cross multiply
    676,056.12x = 933,589.64 × 434,757.72
  4. Step 4: Simplify right side
    676,056.12x = 405,885,303,302.02
  5. Step 5: Solve for x
    x = 405,885,303,302.02/676,056.12
  6. Step 6: Final answer
    x = 600,372.20

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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.