Home / 1,038,343.86-1,432,911.67-579,453.55

Finding the Fourth Proportional to 1,038,343.86, 1,432,911.67 and 579,453.55

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Solution

The fourth proportional to 1,038,343.86, 1,432,911.67 and 579,453.55 is: 799,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,343.86 : 1,432,911.67 = 579,453.55 : x
  2. Step 2: Convert to fraction form
    1,038,343.86/1,432,911.67 = 579,453.55/x
  3. Step 3: Cross multiply
    1,038,343.86x = 1,432,911.67 × 579,453.55
  4. Step 4: Simplify right side
    1,038,343.86x = 830,305,748,987.02
  5. Step 5: Solve for x
    x = 830,305,748,987.02/1,038,343.86
  6. Step 6: Final answer
    x = 799,644.30

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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.