Home / 768,917.46-1,153,623-369,587.22

Finding the Fourth Proportional to 768,917.46, 1,153,623 and 369,587.22

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Solution

The fourth proportional to 768,917.46, 1,153,623 and 369,587.22 is: 554,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,917.46 : 1,153,623 = 369,587.22 : x
  2. Step 2: Convert to fraction form
    768,917.46/1,153,623 = 369,587.22/x
  3. Step 3: Cross multiply
    768,917.46x = 1,153,623 × 369,587.22
  4. Step 4: Simplify right side
    768,917.46x = 426,364,317,498.06
  5. Step 5: Solve for x
    x = 426,364,317,498.06/768,917.46
  6. Step 6: Final answer
    x = 554,499.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.