Home / 776,756.22-1,071,987.75-432,658.14

Finding the Fourth Proportional to 776,756.22, 1,071,987.75 and 432,658.14

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Solution

The fourth proportional to 776,756.22, 1,071,987.75 and 432,658.14 is: 597,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,756.22 : 1,071,987.75 = 432,658.14 : x
  2. Step 2: Convert to fraction form
    776,756.22/1,071,987.75 = 432,658.14/x
  3. Step 3: Cross multiply
    776,756.22x = 1,071,987.75 × 432,658.14
  4. Step 4: Simplify right side
    776,756.22x = 463,804,226,017.79
  5. Step 5: Solve for x
    x = 463,804,226,017.79/776,756.22
  6. Step 6: Final answer
    x = 597,103.97

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1.5x scale

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.