Home / 1,227,299.86-1,841,239.59-385,851.61

Finding the Fourth Proportional to 1,227,299.86, 1,841,239.59 and 385,851.61

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Solution

The fourth proportional to 1,227,299.86, 1,841,239.59 and 385,851.61 is: 578,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,299.86 : 1,841,239.59 = 385,851.61 : x
  2. Step 2: Convert to fraction form
    1,227,299.86/1,841,239.59 = 385,851.61/x
  3. Step 3: Cross multiply
    1,227,299.86x = 1,841,239.59 × 385,851.61
  4. Step 4: Simplify right side
    1,227,299.86x = 710,445,262,871.08
  5. Step 5: Solve for x
    x = 710,445,262,871.08/1,227,299.86
  6. Step 6: Final answer
    x = 578,868.53

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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.