Home / 1,385,339.82-1,911,750.76-773,503.01

Finding the Fourth Proportional to 1,385,339.82, 1,911,750.76 and 773,503.01

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Solution

The fourth proportional to 1,385,339.82, 1,911,750.76 and 773,503.01 is: 1,067,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,339.82 : 1,911,750.76 = 773,503.01 : x
  2. Step 2: Convert to fraction form
    1,385,339.82/1,911,750.76 = 773,503.01/x
  3. Step 3: Cross multiply
    1,385,339.82x = 1,911,750.76 × 773,503.01
  4. Step 4: Simplify right side
    1,385,339.82x = 1,478,744,967,229.79
  5. Step 5: Solve for x
    x = 1,478,744,967,229.79/1,385,339.82
  6. Step 6: Final answer
    x = 1,067,424.00

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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.