Home / 1,000,913.86-1,381,360.44-571,259.08

Finding the Fourth Proportional to 1,000,913.86, 1,381,360.44 and 571,259.08

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Solution

The fourth proportional to 1,000,913.86, 1,381,360.44 and 571,259.08 is: 788,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,913.86 : 1,381,360.44 = 571,259.08 : x
  2. Step 2: Convert to fraction form
    1,000,913.86/1,381,360.44 = 571,259.08/x
  3. Step 3: Cross multiply
    1,000,913.86x = 1,381,360.44 × 571,259.08
  4. Step 4: Simplify right side
    1,000,913.86x = 789,114,694,102.80
  5. Step 5: Solve for x
    x = 789,114,694,102.80/1,000,913.86
  6. Step 6: Final answer
    x = 788,394.21

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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.