Home / 1,039,085.10-1,557,763.65-440,505.90

Finding the Fourth Proportional to 1,039,085.10, 1,557,763.65 and 440,505.90

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Solution

The fourth proportional to 1,039,085.10, 1,557,763.65 and 440,505.90 is: 660,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,085.10 : 1,557,763.65 = 440,505.90 : x
  2. Step 2: Convert to fraction form
    1,039,085.10/1,557,763.65 = 440,505.90/x
  3. Step 3: Cross multiply
    1,039,085.10x = 1,557,763.65 × 440,505.90
  4. Step 4: Simplify right side
    1,039,085.10x = 686,204,078,630.54
  5. Step 5: Solve for x
    x = 686,204,078,630.54/1,039,085.10
  6. Step 6: Final answer
    x = 660,392.57

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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.