Home / 891,420.17-1,336,646.41-404,835.08

Finding the Fourth Proportional to 891,420.17, 1,336,646.41 and 404,835.08

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Solution

The fourth proportional to 891,420.17, 1,336,646.41 and 404,835.08 is: 607,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,420.17 : 1,336,646.41 = 404,835.08 : x
  2. Step 2: Convert to fraction form
    891,420.17/1,336,646.41 = 404,835.08/x
  3. Step 3: Cross multiply
    891,420.17x = 1,336,646.41 × 404,835.08
  4. Step 4: Simplify right side
    891,420.17x = 541,121,348,628.74
  5. Step 5: Solve for x
    x = 541,121,348,628.74/891,420.17
  6. Step 6: Final answer
    x = 607,032.88

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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.