Home / 885,369.45-1,328,389.52-530,638.05

Finding the Fourth Proportional to 885,369.45, 1,328,389.52 and 530,638.05

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Solution

The fourth proportional to 885,369.45, 1,328,389.52 and 530,638.05 is: 796,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,369.45 : 1,328,389.52 = 530,638.05 : x
  2. Step 2: Convert to fraction form
    885,369.45/1,328,389.52 = 530,638.05/x
  3. Step 3: Cross multiply
    885,369.45x = 1,328,389.52 × 530,638.05
  4. Step 4: Simplify right side
    885,369.45x = 704,894,024,533.24
  5. Step 5: Solve for x
    x = 704,894,024,533.24/885,369.45
  6. Step 6: Final answer
    x = 796,158.06

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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.