Home / 912,262.60-1,258,984.02-530,288.20

Finding the Fourth Proportional to 912,262.60, 1,258,984.02 and 530,288.20

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Solution

The fourth proportional to 912,262.60, 1,258,984.02 and 530,288.20 is: 731,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,262.60 : 1,258,984.02 = 530,288.20 : x
  2. Step 2: Convert to fraction form
    912,262.60/1,258,984.02 = 530,288.20/x
  3. Step 3: Cross multiply
    912,262.60x = 1,258,984.02 × 530,288.20
  4. Step 4: Simplify right side
    912,262.60x = 667,624,369,794.56
  5. Step 5: Solve for x
    x = 667,624,369,794.56/912,262.60
  6. Step 6: Final answer
    x = 731,833.54

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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.