Home / 771,595.16-1,065,080.82-628,106.09

Finding the Fourth Proportional to 771,595.16, 1,065,080.82 and 628,106.09

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Solution

The fourth proportional to 771,595.16, 1,065,080.82 and 628,106.09 is: 867,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,595.16 : 1,065,080.82 = 628,106.09 : x
  2. Step 2: Convert to fraction form
    771,595.16/1,065,080.82 = 628,106.09/x
  3. Step 3: Cross multiply
    771,595.16x = 1,065,080.82 × 628,106.09
  4. Step 4: Simplify right side
    771,595.16x = 668,983,744,058.79
  5. Step 5: Solve for x
    x = 668,983,744,058.79/771,595.16
  6. Step 6: Final answer
    x = 867,013.93

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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.