Home / 805,607.51-1,111,767.62-461,509.94

Finding the Fourth Proportional to 805,607.51, 1,111,767.62 and 461,509.94

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Solution

The fourth proportional to 805,607.51, 1,111,767.62 and 461,509.94 is: 636,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,607.51 : 1,111,767.62 = 461,509.94 : x
  2. Step 2: Convert to fraction form
    805,607.51/1,111,767.62 = 461,509.94/x
  3. Step 3: Cross multiply
    805,607.51x = 1,111,767.62 × 461,509.94
  4. Step 4: Simplify right side
    805,607.51x = 513,091,799,733.76
  5. Step 5: Solve for x
    x = 513,091,799,733.76/805,607.51
  6. Step 6: Final answer
    x = 636,900.47

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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.