Home / 999,589.99-1,379,434.08-564,099.52

Finding the Fourth Proportional to 999,589.99, 1,379,434.08 and 564,099.52

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Solution

The fourth proportional to 999,589.99, 1,379,434.08 and 564,099.52 is: 778,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,589.99 : 1,379,434.08 = 564,099.52 : x
  2. Step 2: Convert to fraction form
    999,589.99/1,379,434.08 = 564,099.52/x
  3. Step 3: Cross multiply
    999,589.99x = 1,379,434.08 × 564,099.52
  4. Step 4: Simplify right side
    999,589.99x = 778,138,095,013.62
  5. Step 5: Solve for x
    x = 778,138,095,013.62/999,589.99
  6. Step 6: Final answer
    x = 778,457.27

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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.