Home / 1,072,041.85-1,480,110.09-664,579.13

Finding the Fourth Proportional to 1,072,041.85, 1,480,110.09 and 664,579.13

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Solution

The fourth proportional to 1,072,041.85, 1,480,110.09 and 664,579.13 is: 917,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,041.85 : 1,480,110.09 = 664,579.13 : x
  2. Step 2: Convert to fraction form
    1,072,041.85/1,480,110.09 = 664,579.13/x
  3. Step 3: Cross multiply
    1,072,041.85x = 1,480,110.09 × 664,579.13
  4. Step 4: Simplify right side
    1,072,041.85x = 983,650,275,916.42
  5. Step 5: Solve for x
    x = 983,650,275,916.42/1,072,041.85
  6. Step 6: Final answer
    x = 917,548.39

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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.