Home / 611,579.10-916,785.45-476,568.30

Finding the Fourth Proportional to 611,579.10, 916,785.45 and 476,568.30

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Solution

The fourth proportional to 611,579.10, 916,785.45 and 476,568.30 is: 714,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,579.10 : 916,785.45 = 476,568.30 : x
  2. Step 2: Convert to fraction form
    611,579.10/916,785.45 = 476,568.30/x
  3. Step 3: Cross multiply
    611,579.10x = 916,785.45 × 476,568.30
  4. Step 4: Simplify right side
    611,579.10x = 436,910,883,371.24
  5. Step 5: Solve for x
    x = 436,910,883,371.24/611,579.10
  6. Step 6: Final answer
    x = 714,398.00

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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.