Home / 827,349.60-1,141,681.11-464,833.90

Finding the Fourth Proportional to 827,349.60, 1,141,681.11 and 464,833.90

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Solution

The fourth proportional to 827,349.60, 1,141,681.11 and 464,833.90 is: 641,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,349.60 : 1,141,681.11 = 464,833.90 : x
  2. Step 2: Convert to fraction form
    827,349.60/1,141,681.11 = 464,833.90/x
  3. Step 3: Cross multiply
    827,349.60x = 1,141,681.11 × 464,833.90
  4. Step 4: Simplify right side
    827,349.60x = 530,692,077,209.22
  5. Step 5: Solve for x
    x = 530,692,077,209.22/827,349.60
  6. Step 6: Final answer
    x = 641,436.31

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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.