Home / 667,715.96-1,002,574.50-578,035.26

Finding the Fourth Proportional to 667,715.96, 1,002,574.50 and 578,035.26

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Solution

The fourth proportional to 667,715.96, 1,002,574.50 and 578,035.26 is: 867,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,715.96 : 1,002,574.50 = 578,035.26 : x
  2. Step 2: Convert to fraction form
    667,715.96/1,002,574.50 = 578,035.26/x
  3. Step 3: Cross multiply
    667,715.96x = 1,002,574.50 × 578,035.26
  4. Step 4: Simplify right side
    667,715.96x = 579,523,411,776.87
  5. Step 5: Solve for x
    x = 579,523,411,776.87/667,715.96
  6. Step 6: Final answer
    x = 867,919.07

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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.