Home / 1,127,384.63-1,555,792.86-611,136.92

Finding the Fourth Proportional to 1,127,384.63, 1,555,792.86 and 611,136.92

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Solution

The fourth proportional to 1,127,384.63, 1,555,792.86 and 611,136.92 is: 843,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,384.63 : 1,555,792.86 = 611,136.92 : x
  2. Step 2: Convert to fraction form
    1,127,384.63/1,555,792.86 = 611,136.92/x
  3. Step 3: Cross multiply
    1,127,384.63x = 1,555,792.86 × 611,136.92
  4. Step 4: Simplify right side
    1,127,384.63x = 950,802,456,618.39
  5. Step 5: Solve for x
    x = 950,802,456,618.39/1,127,384.63
  6. Step 6: Final answer
    x = 843,370.07

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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.