Home / 563,521.23-777,739.01-348,730.47

Finding the Fourth Proportional to 563,521.23, 777,739.01 and 348,730.47

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Solution

The fourth proportional to 563,521.23, 777,739.01 and 348,730.47 is: 481,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,521.23 : 777,739.01 = 348,730.47 : x
  2. Step 2: Convert to fraction form
    563,521.23/777,739.01 = 348,730.47/x
  3. Step 3: Cross multiply
    563,521.23x = 777,739.01 × 348,730.47
  4. Step 4: Simplify right side
    563,521.23x = 271,221,290,494.64
  5. Step 5: Solve for x
    x = 271,221,290,494.64/563,521.23
  6. Step 6: Final answer
    x = 481,297.38

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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.