Home / 1,021,143.84-1,531,715.04-459,522.24

Finding the Fourth Proportional to 1,021,143.84, 1,531,715.04 and 459,522.24

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Solution

The fourth proportional to 1,021,143.84, 1,531,715.04 and 459,522.24 is: 689,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,143.84 : 1,531,715.04 = 459,522.24 : x
  2. Step 2: Convert to fraction form
    1,021,143.84/1,531,715.04 = 459,522.24/x
  3. Step 3: Cross multiply
    1,021,143.84x = 1,531,715.04 × 459,522.24
  4. Step 4: Simplify right side
    1,021,143.84x = 703,857,126,222.49
  5. Step 5: Solve for x
    x = 703,857,126,222.49/1,021,143.84
  6. Step 6: Final answer
    x = 689,283.04

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Double scale
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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.