Home / 1,365,623.35-1,884,278.90-784,734.28

Finding the Fourth Proportional to 1,365,623.35, 1,884,278.90 and 784,734.28

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Solution

The fourth proportional to 1,365,623.35, 1,884,278.90 and 784,734.28 is: 1,082,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,623.35 : 1,884,278.90 = 784,734.28 : x
  2. Step 2: Convert to fraction form
    1,365,623.35/1,884,278.90 = 784,734.28/x
  3. Step 3: Cross multiply
    1,365,623.35x = 1,884,278.90 × 784,734.28
  4. Step 4: Simplify right side
    1,365,623.35x = 1,478,658,243,161.83
  5. Step 5: Solve for x
    x = 1,478,658,243,161.83/1,365,623.35
  6. Step 6: Final answer
    x = 1,082,771.65

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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.