Home / 1,555,424.40-2,332,848.60-433,261.20

Finding the Fourth Proportional to 1,555,424.40, 2,332,848.60 and 433,261.20

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Solution

The fourth proportional to 1,555,424.40, 2,332,848.60 and 433,261.20 is: 649,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,424.40 : 2,332,848.60 = 433,261.20 : x
  2. Step 2: Convert to fraction form
    1,555,424.40/2,332,848.60 = 433,261.20/x
  3. Step 3: Cross multiply
    1,555,424.40x = 2,332,848.60 × 433,261.20
  4. Step 4: Simplify right side
    1,555,424.40x = 1,010,732,783,854.32
  5. Step 5: Solve for x
    x = 1,010,732,783,854.32/1,555,424.40
  6. Step 6: Final answer
    x = 649,811.58

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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.