Home / 1,020,123.60-1,530,185.40-614,216.40

Finding the Fourth Proportional to 1,020,123.60, 1,530,185.40 and 614,216.40

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Solution

The fourth proportional to 1,020,123.60, 1,530,185.40 and 614,216.40 is: 921,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,123.60 : 1,530,185.40 = 614,216.40 : x
  2. Step 2: Convert to fraction form
    1,020,123.60/1,530,185.40 = 614,216.40/x
  3. Step 3: Cross multiply
    1,020,123.60x = 1,530,185.40 × 614,216.40
  4. Step 4: Simplify right side
    1,020,123.60x = 939,864,967,720.56
  5. Step 5: Solve for x
    x = 939,864,967,720.56/1,020,123.60
  6. Step 6: Final answer
    x = 921,324.60

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Double scale
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Similar ratio
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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.