Home / 346,721.70-520,082.55-293,577.60

Finding the Fourth Proportional to 346,721.70, 520,082.55 and 293,577.60

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Solution

The fourth proportional to 346,721.70, 520,082.55 and 293,577.60 is: 440,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,721.70 : 520,082.55 = 293,577.60 : x
  2. Step 2: Convert to fraction form
    346,721.70/520,082.55 = 293,577.60/x
  3. Step 3: Cross multiply
    346,721.70x = 520,082.55 × 293,577.60
  4. Step 4: Simplify right side
    346,721.70x = 152,684,586,830.88
  5. Step 5: Solve for x
    x = 152,684,586,830.88/346,721.70
  6. Step 6: Final answer
    x = 440,366.40

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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.