Home / 806,386.24-1,112,755.59-479,681.25

Finding the Fourth Proportional to 806,386.24, 1,112,755.59 and 479,681.25

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Solution

The fourth proportional to 806,386.24, 1,112,755.59 and 479,681.25 is: 661,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,386.24 : 1,112,755.59 = 479,681.25 : x
  2. Step 2: Convert to fraction form
    806,386.24/1,112,755.59 = 479,681.25/x
  3. Step 3: Cross multiply
    806,386.24x = 1,112,755.59 × 479,681.25
  4. Step 4: Simplify right side
    806,386.24x = 533,767,992,355.69
  5. Step 5: Solve for x
    x = 533,767,992,355.69/806,386.24
  6. Step 6: Final answer
    x = 661,925.97

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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.