Home / 615,456-849,226.68-411,179.40

Finding the Fourth Proportional to 615,456, 849,226.68 and 411,179.40

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Solution

The fourth proportional to 615,456, 849,226.68 and 411,179.40 is: 567,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,456 : 849,226.68 = 411,179.40 : x
  2. Step 2: Convert to fraction form
    615,456/849,226.68 = 411,179.40/x
  3. Step 3: Cross multiply
    615,456x = 849,226.68 × 411,179.40
  4. Step 4: Simplify right side
    615,456x = 349,184,516,746.39
  5. Step 5: Solve for x
    x = 349,184,516,746.39/615,456
  6. Step 6: Final answer
    x = 567,359.03

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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.