Home / 688,961.95-950,799.16-383,069.45

Finding the Fourth Proportional to 688,961.95, 950,799.16 and 383,069.45

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Solution

The fourth proportional to 688,961.95, 950,799.16 and 383,069.45 is: 528,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,961.95 : 950,799.16 = 383,069.45 : x
  2. Step 2: Convert to fraction form
    688,961.95/950,799.16 = 383,069.45/x
  3. Step 3: Cross multiply
    688,961.95x = 950,799.16 × 383,069.45
  4. Step 4: Simplify right side
    688,961.95x = 364,222,114,137.50
  5. Step 5: Solve for x
    x = 364,222,114,137.50/688,961.95
  6. Step 6: Final answer
    x = 528,653.45

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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.