Home / 572,875.10-857,563.05-446,903.90

Finding the Fourth Proportional to 572,875.10, 857,563.05 and 446,903.90

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Solution

The fourth proportional to 572,875.10, 857,563.05 and 446,903.90 is: 668,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,875.10 : 857,563.05 = 446,903.90 : x
  2. Step 2: Convert to fraction form
    572,875.10/857,563.05 = 446,903.90/x
  3. Step 3: Cross multiply
    572,875.10x = 857,563.05 × 446,903.90
  4. Step 4: Simplify right side
    572,875.10x = 383,248,271,540.90
  5. Step 5: Solve for x
    x = 383,248,271,540.90/572,875.10
  6. Step 6: Final answer
    x = 668,990.97

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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.