Home / 859,104.96-1,185,028.80-553,585.92

Finding the Fourth Proportional to 859,104.96, 1,185,028.80 and 553,585.92

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Solution

The fourth proportional to 859,104.96, 1,185,028.80 and 553,585.92 is: 763,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,104.96 : 1,185,028.80 = 553,585.92 : x
  2. Step 2: Convert to fraction form
    859,104.96/1,185,028.80 = 553,585.92/x
  3. Step 3: Cross multiply
    859,104.96x = 1,185,028.80 × 553,585.92
  4. Step 4: Simplify right side
    859,104.96x = 656,015,258,474.50
  5. Step 5: Solve for x
    x = 656,015,258,474.50/859,104.96
  6. Step 6: Final answer
    x = 763,603.16

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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.