Home / 816,368.42-1,126,601.87-448,861.10

Finding the Fourth Proportional to 816,368.42, 1,126,601.87 and 448,861.10

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Solution

The fourth proportional to 816,368.42, 1,126,601.87 and 448,861.10 is: 619,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,368.42 : 1,126,601.87 = 448,861.10 : x
  2. Step 2: Convert to fraction form
    816,368.42/1,126,601.87 = 448,861.10/x
  3. Step 3: Cross multiply
    816,368.42x = 1,126,601.87 × 448,861.10
  4. Step 4: Simplify right side
    816,368.42x = 505,687,746,752.94
  5. Step 5: Solve for x
    x = 505,687,746,752.94/816,368.42
  6. Step 6: Final answer
    x = 619,435.70

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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.