Home / 916,704.53-1,264,949.65-508,823.56

Finding the Fourth Proportional to 916,704.53, 1,264,949.65 and 508,823.56

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Solution

The fourth proportional to 916,704.53, 1,264,949.65 and 508,823.56 is: 702,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,704.53 : 1,264,949.65 = 508,823.56 : x
  2. Step 2: Convert to fraction form
    916,704.53/1,264,949.65 = 508,823.56/x
  3. Step 3: Cross multiply
    916,704.53x = 1,264,949.65 × 508,823.56
  4. Step 4: Simplify right side
    916,704.53x = 643,636,184,133.75
  5. Step 5: Solve for x
    x = 643,636,184,133.75/916,704.53
  6. Step 6: Final answer
    x = 702,119.56

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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.