Home / 676,861.48-933,821.64-404,937.16

Finding the Fourth Proportional to 676,861.48, 933,821.64 and 404,937.16

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Solution

The fourth proportional to 676,861.48, 933,821.64 and 404,937.16 is: 558,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,861.48 : 933,821.64 = 404,937.16 : x
  2. Step 2: Convert to fraction form
    676,861.48/933,821.64 = 404,937.16/x
  3. Step 3: Cross multiply
    676,861.48x = 933,821.64 × 404,937.16
  4. Step 4: Simplify right side
    676,861.48x = 378,139,082,848.14
  5. Step 5: Solve for x
    x = 378,139,082,848.14/676,861.48
  6. Step 6: Final answer
    x = 558,665.39

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1.5x scale

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.