Home / 438,082.12-604,086.55-346,039.62

Finding the Fourth Proportional to 438,082.12, 604,086.55 and 346,039.62

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Solution

The fourth proportional to 438,082.12, 604,086.55 and 346,039.62 is: 477,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,082.12 : 604,086.55 = 346,039.62 : x
  2. Step 2: Convert to fraction form
    438,082.12/604,086.55 = 346,039.62/x
  3. Step 3: Cross multiply
    438,082.12x = 604,086.55 × 346,039.62
  4. Step 4: Simplify right side
    438,082.12x = 209,037,880,209.11
  5. Step 5: Solve for x
    x = 209,037,880,209.11/438,082.12
  6. Step 6: Final answer
    x = 477,165.97

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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.