Home / 1,107,667.20-1,528,586.64-624,239.76

Finding the Fourth Proportional to 1,107,667.20, 1,528,586.64 and 624,239.76

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Solution

The fourth proportional to 1,107,667.20, 1,528,586.64 and 624,239.76 is: 861,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,667.20 : 1,528,586.64 = 624,239.76 : x
  2. Step 2: Convert to fraction form
    1,107,667.20/1,528,586.64 = 624,239.76/x
  3. Step 3: Cross multiply
    1,107,667.20x = 1,528,586.64 × 624,239.76
  4. Step 4: Simplify right side
    1,107,667.20x = 954,204,557,292.81
  5. Step 5: Solve for x
    x = 954,204,557,292.81/1,107,667.20
  6. Step 6: Final answer
    x = 861,454.20

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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.