Home / 705,187.27-973,158.43-403,381.27

Finding the Fourth Proportional to 705,187.27, 973,158.43 and 403,381.27

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Solution

The fourth proportional to 705,187.27, 973,158.43 and 403,381.27 is: 556,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,187.27 : 973,158.43 = 403,381.27 : x
  2. Step 2: Convert to fraction form
    705,187.27/973,158.43 = 403,381.27/x
  3. Step 3: Cross multiply
    705,187.27x = 973,158.43 × 403,381.27
  4. Step 4: Simplify right side
    705,187.27x = 392,553,877,760.42
  5. Step 5: Solve for x
    x = 392,553,877,760.42/705,187.27
  6. Step 6: Final answer
    x = 556,666.15

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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.