Home / 562,545.24-776,282.60-307,847.20

Finding the Fourth Proportional to 562,545.24, 776,282.60 and 307,847.20

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Solution

The fourth proportional to 562,545.24, 776,282.60 and 307,847.20 is: 424,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,545.24 : 776,282.60 = 307,847.20 : x
  2. Step 2: Convert to fraction form
    562,545.24/776,282.60 = 307,847.20/x
  3. Step 3: Cross multiply
    562,545.24x = 776,282.60 × 307,847.20
  4. Step 4: Simplify right side
    562,545.24x = 238,976,424,818.72
  5. Step 5: Solve for x
    x = 238,976,424,818.72/562,545.24
  6. Step 6: Final answer
    x = 424,812.81

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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.