Home / 376,579.20-519,554.08-223,664.16

Finding the Fourth Proportional to 376,579.20, 519,554.08 and 223,664.16

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Solution

The fourth proportional to 376,579.20, 519,554.08 and 223,664.16 is: 308,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,579.20 : 519,554.08 = 223,664.16 : x
  2. Step 2: Convert to fraction form
    376,579.20/519,554.08 = 223,664.16/x
  3. Step 3: Cross multiply
    376,579.20x = 519,554.08 × 223,664.16
  4. Step 4: Simplify right side
    376,579.20x = 116,205,626,877.77
  5. Step 5: Solve for x
    x = 116,205,626,877.77/376,579.20
  6. Step 6: Final answer
    x = 308,582.17

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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.