Home / 1,366,700.10-1,886,410.94-785,986.71

Finding the Fourth Proportional to 1,366,700.10, 1,886,410.94 and 785,986.71

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Solution

The fourth proportional to 1,366,700.10, 1,886,410.94 and 785,986.71 is: 1,084,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,700.10 : 1,886,410.94 = 785,986.71 : x
  2. Step 2: Convert to fraction form
    1,366,700.10/1,886,410.94 = 785,986.71/x
  3. Step 3: Cross multiply
    1,366,700.10x = 1,886,410.94 × 785,986.71
  4. Step 4: Simplify right side
    1,366,700.10x = 1,482,693,924,508.67
  5. Step 5: Solve for x
    x = 1,482,693,924,508.67/1,366,700.10
  6. Step 6: Final answer
    x = 1,084,871.45

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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.