Home / 877,432.96-1,316,149.68-316,467.44

Finding the Fourth Proportional to 877,432.96, 1,316,149.68 and 316,467.44

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Solution

The fourth proportional to 877,432.96, 1,316,149.68 and 316,467.44 is: 474,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,432.96 : 1,316,149.68 = 316,467.44 : x
  2. Step 2: Convert to fraction form
    877,432.96/1,316,149.68 = 316,467.44/x
  3. Step 3: Cross multiply
    877,432.96x = 1,316,149.68 × 316,467.44
  4. Step 4: Simplify right side
    877,432.96x = 416,518,519,886.42
  5. Step 5: Solve for x
    x = 416,518,519,886.42/877,432.96
  6. Step 6: Final answer
    x = 474,701.25

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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.