Home / 959,701.10-1,439,404.02-320,015.95

Finding the Fourth Proportional to 959,701.10, 1,439,404.02 and 320,015.95

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Solution

The fourth proportional to 959,701.10, 1,439,404.02 and 320,015.95 is: 479,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,701.10 : 1,439,404.02 = 320,015.95 : x
  2. Step 2: Convert to fraction form
    959,701.10/1,439,404.02 = 320,015.95/x
  3. Step 3: Cross multiply
    959,701.10x = 1,439,404.02 × 320,015.95
  4. Step 4: Simplify right side
    959,701.10x = 460,632,241,295.61
  5. Step 5: Solve for x
    x = 460,632,241,295.61/959,701.10
  6. Step 6: Final answer
    x = 479,974.70

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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.