Home / 1,021,981.11-1,410,335.27-556,832.79

Finding the Fourth Proportional to 1,021,981.11, 1,410,335.27 and 556,832.79

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Solution

The fourth proportional to 1,021,981.11, 1,410,335.27 and 556,832.79 is: 768,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,981.11 : 1,410,335.27 = 556,832.79 : x
  2. Step 2: Convert to fraction form
    1,021,981.11/1,410,335.27 = 556,832.79/x
  3. Step 3: Cross multiply
    1,021,981.11x = 1,410,335.27 × 556,832.79
  4. Step 4: Simplify right side
    1,021,981.11x = 785,320,920,445.34
  5. Step 5: Solve for x
    x = 785,320,920,445.34/1,021,981.11
  6. Step 6: Final answer
    x = 768,429.98

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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.