Home / 808,915.90-1,214,151.45-410,007.10

Finding the Fourth Proportional to 808,915.90, 1,214,151.45 and 410,007.10

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Solution

The fourth proportional to 808,915.90, 1,214,151.45 and 410,007.10 is: 615,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,915.90 : 1,214,151.45 = 410,007.10 : x
  2. Step 2: Convert to fraction form
    808,915.90/1,214,151.45 = 410,007.10/x
  3. Step 3: Cross multiply
    808,915.90x = 1,214,151.45 × 410,007.10
  4. Step 4: Simplify right side
    808,915.90x = 497,810,714,975.30
  5. Step 5: Solve for x
    x = 497,810,714,975.30/808,915.90
  6. Step 6: Final answer
    x = 615,404.78

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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.