Home / 1,018,251.60-1,527,814.80-519,615.60

Finding the Fourth Proportional to 1,018,251.60, 1,527,814.80 and 519,615.60

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Solution

The fourth proportional to 1,018,251.60, 1,527,814.80 and 519,615.60 is: 779,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,251.60 : 1,527,814.80 = 519,615.60 : x
  2. Step 2: Convert to fraction form
    1,018,251.60/1,527,814.80 = 519,615.60/x
  3. Step 3: Cross multiply
    1,018,251.60x = 1,527,814.80 × 519,615.60
  4. Step 4: Simplify right side
    1,018,251.60x = 793,876,403,990.88
  5. Step 5: Solve for x
    x = 793,876,403,990.88/1,018,251.60
  6. Step 6: Final answer
    x = 779,646.61

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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.