Home / 1,226,501.70-1,839,752.55-328,082.10

Finding the Fourth Proportional to 1,226,501.70, 1,839,752.55 and 328,082.10

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Solution

The fourth proportional to 1,226,501.70, 1,839,752.55 and 328,082.10 is: 492,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,501.70 : 1,839,752.55 = 328,082.10 : x
  2. Step 2: Convert to fraction form
    1,226,501.70/1,839,752.55 = 328,082.10/x
  3. Step 3: Cross multiply
    1,226,501.70x = 1,839,752.55 × 328,082.10
  4. Step 4: Simplify right side
    1,226,501.70x = 603,589,880,084.36
  5. Step 5: Solve for x
    x = 603,589,880,084.36/1,226,501.70
  6. Step 6: Final answer
    x = 492,123.15

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Double scale
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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.