Home / 1,877,070.32-2,592,495.43-1,272,408.56

Finding the Fourth Proportional to 1,877,070.32, 2,592,495.43 and 1,272,408.56

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Solution

The fourth proportional to 1,877,070.32, 2,592,495.43 and 1,272,408.56 is: 1,757,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,070.32 : 2,592,495.43 = 1,272,408.56 : x
  2. Step 2: Convert to fraction form
    1,877,070.32/2,592,495.43 = 1,272,408.56/x
  3. Step 3: Cross multiply
    1,877,070.32x = 2,592,495.43 × 1,272,408.56
  4. Step 4: Simplify right side
    1,877,070.32x = 3,298,713,363,930.40
  5. Step 5: Solve for x
    x = 3,298,713,363,930.40/1,877,070.32
  6. Step 6: Final answer
    x = 1,757,373.36

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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.