Home / 1,229,751.93-1,697,847.29-771,494.83

Finding the Fourth Proportional to 1,229,751.93, 1,697,847.29 and 771,494.83

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Solution

The fourth proportional to 1,229,751.93, 1,697,847.29 and 771,494.83 is: 1,065,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,751.93 : 1,697,847.29 = 771,494.83 : x
  2. Step 2: Convert to fraction form
    1,229,751.93/1,697,847.29 = 771,494.83/x
  3. Step 3: Cross multiply
    1,229,751.93x = 1,697,847.29 × 771,494.83
  4. Step 4: Simplify right side
    1,229,751.93x = 1,309,880,406,364.51
  5. Step 5: Solve for x
    x = 1,309,880,406,364.51/1,229,751.93
  6. Step 6: Final answer
    x = 1,065,158.24

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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.