Home / 578,035.24-866,916.72-325,425.40

Finding the Fourth Proportional to 578,035.24, 866,916.72 and 325,425.40

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Solution

The fourth proportional to 578,035.24, 866,916.72 and 325,425.40 is: 488,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,035.24 : 866,916.72 = 325,425.40 : x
  2. Step 2: Convert to fraction form
    578,035.24/866,916.72 = 325,425.40/x
  3. Step 3: Cross multiply
    578,035.24x = 866,916.72 × 325,425.40
  4. Step 4: Simplify right side
    578,035.24x = 282,116,720,372.69
  5. Step 5: Solve for x
    x = 282,116,720,372.69/578,035.24
  6. Step 6: Final answer
    x = 488,061.46

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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.