Home / 827,368.64-1,141,701.44-464,772.80

Finding the Fourth Proportional to 827,368.64, 1,141,701.44 and 464,772.80

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Solution

The fourth proportional to 827,368.64, 1,141,701.44 and 464,772.80 is: 641,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,368.64 : 1,141,701.44 = 464,772.80 : x
  2. Step 2: Convert to fraction form
    827,368.64/1,141,701.44 = 464,772.80/x
  3. Step 3: Cross multiply
    827,368.64x = 1,141,701.44 × 464,772.80
  4. Step 4: Simplify right side
    827,368.64x = 530,631,775,032.83
  5. Step 5: Solve for x
    x = 530,631,775,032.83/827,368.64
  6. Step 6: Final answer
    x = 641,348.67

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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.