Home / 880,624.40-1,320,520.20-341,133.35

Finding the Fourth Proportional to 880,624.40, 1,320,520.20 and 341,133.35

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Solution

The fourth proportional to 880,624.40, 1,320,520.20 and 341,133.35 is: 511,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,624.40 : 1,320,520.20 = 341,133.35 : x
  2. Step 2: Convert to fraction form
    880,624.40/1,320,520.20 = 341,133.35/x
  3. Step 3: Cross multiply
    880,624.40x = 1,320,520.20 × 341,133.35
  4. Step 4: Simplify right side
    880,624.40x = 450,473,472,966.07
  5. Step 5: Solve for x
    x = 450,473,472,966.07/880,624.40
  6. Step 6: Final answer
    x = 511,538.72

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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.