Home / 619,315.93-928,928.77-277,865.10

Finding the Fourth Proportional to 619,315.93, 928,928.77 and 277,865.10

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Solution

The fourth proportional to 619,315.93, 928,928.77 and 277,865.10 is: 416,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,315.93 : 928,928.77 = 277,865.10 : x
  2. Step 2: Convert to fraction form
    619,315.93/928,928.77 = 277,865.10/x
  3. Step 3: Cross multiply
    619,315.93x = 928,928.77 × 277,865.10
  4. Step 4: Simplify right side
    619,315.93x = 258,116,885,568.93
  5. Step 5: Solve for x
    x = 258,116,885,568.93/619,315.93
  6. Step 6: Final answer
    x = 416,777.40

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1.5x scale

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.