Home / 563,118.04-777,103.84-304,995.54

Finding the Fourth Proportional to 563,118.04, 777,103.84 and 304,995.54

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Solution

The fourth proportional to 563,118.04, 777,103.84 and 304,995.54 is: 420,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,118.04 : 777,103.84 = 304,995.54 : x
  2. Step 2: Convert to fraction form
    563,118.04/777,103.84 = 304,995.54/x
  3. Step 3: Cross multiply
    563,118.04x = 777,103.84 × 304,995.54
  4. Step 4: Simplify right side
    563,118.04x = 237,013,208,612.26
  5. Step 5: Solve for x
    x = 237,013,208,612.26/563,118.04
  6. Step 6: Final answer
    x = 420,894.36

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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.