Home / 688,977.99-950,821.29-383,085.77

Finding the Fourth Proportional to 688,977.99, 950,821.29 and 383,085.77

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Solution

The fourth proportional to 688,977.99, 950,821.29 and 383,085.77 is: 528,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,977.99 : 950,821.29 = 383,085.77 : x
  2. Step 2: Convert to fraction form
    688,977.99/950,821.29 = 383,085.77/x
  3. Step 3: Cross multiply
    688,977.99x = 950,821.29 × 383,085.77
  4. Step 4: Simplify right side
    688,977.99x = 364,246,101,257.94
  5. Step 5: Solve for x
    x = 364,246,101,257.94/688,977.99
  6. Step 6: Final answer
    x = 528,675.96

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1.5x scale

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.