Home / 656,374.16-986,616.42-433,168.94

Finding the Fourth Proportional to 656,374.16, 986,616.42 and 433,168.94

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Solution

The fourth proportional to 656,374.16, 986,616.42 and 433,168.94 is: 651,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,374.16 : 986,616.42 = 433,168.94 : x
  2. Step 2: Convert to fraction form
    656,374.16/986,616.42 = 433,168.94/x
  3. Step 3: Cross multiply
    656,374.16x = 986,616.42 × 433,168.94
  4. Step 4: Simplify right side
    656,374.16x = 427,371,588,838.00
  5. Step 5: Solve for x
    x = 427,371,588,838.00/656,374.16
  6. Step 6: Final answer
    x = 651,109.71

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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.