Home / 369,039.15-551,536.55-269,409.15

Finding the Fourth Proportional to 369,039.15, 551,536.55 and 269,409.15

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Solution

The fourth proportional to 369,039.15, 551,536.55 and 269,409.15 is: 402,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,039.15 : 551,536.55 = 269,409.15 : x
  2. Step 2: Convert to fraction form
    369,039.15/551,536.55 = 269,409.15/x
  3. Step 3: Cross multiply
    369,039.15x = 551,536.55 × 269,409.15
  4. Step 4: Simplify right side
    369,039.15x = 148,588,992,792.67
  5. Step 5: Solve for x
    x = 148,588,992,792.67/369,039.15
  6. Step 6: Final answer
    x = 402,637.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.