Home / 781,574.90-1,172,546.64-622,253.18

Finding the Fourth Proportional to 781,574.90, 1,172,546.64 and 622,253.18

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Solution

The fourth proportional to 781,574.90, 1,172,546.64 and 622,253.18 is: 933,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,574.90 : 1,172,546.64 = 622,253.18 : x
  2. Step 2: Convert to fraction form
    781,574.90/1,172,546.64 = 622,253.18/x
  3. Step 3: Cross multiply
    781,574.90x = 1,172,546.64 × 622,253.18
  4. Step 4: Simplify right side
    781,574.90x = 729,620,875,438.32
  5. Step 5: Solve for x
    x = 729,620,875,438.32/781,574.90
  6. Step 6: Final answer
    x = 933,526.49

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1.5x scale

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.