Home / 892,760.15-1,232,089.36-505,669.72

Finding the Fourth Proportional to 892,760.15, 1,232,089.36 and 505,669.72

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Solution

The fourth proportional to 892,760.15, 1,232,089.36 and 505,669.72 is: 697,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,760.15 : 1,232,089.36 = 505,669.72 : x
  2. Step 2: Convert to fraction form
    892,760.15/1,232,089.36 = 505,669.72/x
  3. Step 3: Cross multiply
    892,760.15x = 1,232,089.36 × 505,669.72
  4. Step 4: Simplify right side
    892,760.15x = 623,030,281,686.18
  5. Step 5: Solve for x
    x = 623,030,281,686.18/892,760.15
  6. Step 6: Final answer
    x = 697,869.73

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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.