Home / 1,108,214.84-1,529,226.06-678,616.76

Finding the Fourth Proportional to 1,108,214.84, 1,529,226.06 and 678,616.76

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Solution

The fourth proportional to 1,108,214.84, 1,529,226.06 and 678,616.76 is: 936,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,214.84 : 1,529,226.06 = 678,616.76 : x
  2. Step 2: Convert to fraction form
    1,108,214.84/1,529,226.06 = 678,616.76/x
  3. Step 3: Cross multiply
    1,108,214.84x = 1,529,226.06 × 678,616.76
  4. Step 4: Simplify right side
    1,108,214.84x = 1,037,758,434,144.77
  5. Step 5: Solve for x
    x = 1,037,758,434,144.77/1,108,214.84
  6. Step 6: Final answer
    x = 936,423.51

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Double scale
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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.