Home / 562,215.18-775,875.28-307,566.36

Finding the Fourth Proportional to 562,215.18, 775,875.28 and 307,566.36

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Solution

The fourth proportional to 562,215.18, 775,875.28 and 307,566.36 is: 424,451.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,215.18 : 775,875.28 = 307,566.36 : x
  2. Step 2: Convert to fraction form
    562,215.18/775,875.28 = 307,566.36/x
  3. Step 3: Cross multiply
    562,215.18x = 775,875.28 × 307,566.36
  4. Step 4: Simplify right side
    562,215.18x = 238,633,135,683.58
  5. Step 5: Solve for x
    x = 238,633,135,683.58/562,215.18
  6. Step 6: Final answer
    x = 424,451.61

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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.