Home / 1,243,630.40-1,864,063.20-533,537.60

Finding the Fourth Proportional to 1,243,630.40, 1,864,063.20 and 533,537.60

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Solution

The fourth proportional to 1,243,630.40, 1,864,063.20 and 533,537.60 is: 799,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,630.40 : 1,864,063.20 = 533,537.60 : x
  2. Step 2: Convert to fraction form
    1,243,630.40/1,864,063.20 = 533,537.60/x
  3. Step 3: Cross multiply
    1,243,630.40x = 1,864,063.20 × 533,537.60
  4. Step 4: Simplify right side
    1,243,630.40x = 994,547,805,976.32
  5. Step 5: Solve for x
    x = 994,547,805,976.32/1,243,630.40
  6. Step 6: Final answer
    x = 799,713.33

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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.