Home / 1,284,568.07-1,772,679.53-711,612.95

Finding the Fourth Proportional to 1,284,568.07, 1,772,679.53 and 711,612.95

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Solution

The fourth proportional to 1,284,568.07, 1,772,679.53 and 711,612.95 is: 982,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,568.07 : 1,772,679.53 = 711,612.95 : x
  2. Step 2: Convert to fraction form
    1,284,568.07/1,772,679.53 = 711,612.95/x
  3. Step 3: Cross multiply
    1,284,568.07x = 1,772,679.53 × 711,612.95
  4. Step 4: Simplify right side
    1,284,568.07x = 1,261,461,702,663.55
  5. Step 5: Solve for x
    x = 1,261,461,702,663.55/1,284,568.07
  6. Step 6: Final answer
    x = 982,012.35

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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.