Home / 987,419.22-1,362,630.63-534,710.22

Finding the Fourth Proportional to 987,419.22, 1,362,630.63 and 534,710.22

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Solution

The fourth proportional to 987,419.22, 1,362,630.63 and 534,710.22 is: 737,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,419.22 : 1,362,630.63 = 534,710.22 : x
  2. Step 2: Convert to fraction form
    987,419.22/1,362,630.63 = 534,710.22/x
  3. Step 3: Cross multiply
    987,419.22x = 1,362,630.63 × 534,710.22
  4. Step 4: Simplify right side
    987,419.22x = 728,612,523,946.04
  5. Step 5: Solve for x
    x = 728,612,523,946.04/987,419.22
  6. Step 6: Final answer
    x = 737,895.83

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Double scale
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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.