Home / 754,383.71-1,041,017.84-427,718.70

Finding the Fourth Proportional to 754,383.71, 1,041,017.84 and 427,718.70

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Solution

The fourth proportional to 754,383.71, 1,041,017.84 and 427,718.70 is: 590,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,383.71 : 1,041,017.84 = 427,718.70 : x
  2. Step 2: Convert to fraction form
    754,383.71/1,041,017.84 = 427,718.70/x
  3. Step 3: Cross multiply
    754,383.71x = 1,041,017.84 × 427,718.70
  4. Step 4: Simplify right side
    754,383.71x = 445,262,797,201.61
  5. Step 5: Solve for x
    x = 445,262,797,201.61/754,383.71
  6. Step 6: Final answer
    x = 590,233.84

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1.5x scale

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.