Home / 1,017,451.78-1,526,210.16-511,736.74

Finding the Fourth Proportional to 1,017,451.78, 1,526,210.16 and 511,736.74

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Solution

The fourth proportional to 1,017,451.78, 1,526,210.16 and 511,736.74 is: 767,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,451.78 : 1,526,210.16 = 511,736.74 : x
  2. Step 2: Convert to fraction form
    1,017,451.78/1,526,210.16 = 511,736.74/x
  3. Step 3: Cross multiply
    1,017,451.78x = 1,526,210.16 × 511,736.74
  4. Step 4: Simplify right side
    1,017,451.78x = 781,017,811,833.28
  5. Step 5: Solve for x
    x = 781,017,811,833.28/1,017,451.78
  6. Step 6: Final answer
    x = 767,621.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.