Home / 459,549.10-689,323.65-341,451.10

Finding the Fourth Proportional to 459,549.10, 689,323.65 and 341,451.10

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Solution

The fourth proportional to 459,549.10, 689,323.65 and 341,451.10 is: 512,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,549.10 : 689,323.65 = 341,451.10 : x
  2. Step 2: Convert to fraction form
    459,549.10/689,323.65 = 341,451.10/x
  3. Step 3: Cross multiply
    459,549.10x = 689,323.65 × 341,451.10
  4. Step 4: Simplify right side
    459,549.10x = 235,370,318,548.52
  5. Step 5: Solve for x
    x = 235,370,318,548.52/459,549.10
  6. Step 6: Final answer
    x = 512,176.65

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Similar ratio
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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.