Home / 4,182,939.60-6,274,279.80-1,191,123.60

Finding the Fourth Proportional to 4,182,939.60, 6,274,279.80 and 1,191,123.60

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Solution

The fourth proportional to 4,182,939.60, 6,274,279.80 and 1,191,123.60 is: 1,786,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182,939.60 : 6,274,279.80 = 1,191,123.60 : x
  2. Step 2: Convert to fraction form
    4,182,939.60/6,274,279.80 = 1,191,123.60/x
  3. Step 3: Cross multiply
    4,182,939.60x = 6,274,279.80 × 1,191,123.60
  4. Step 4: Simplify right side
    4,182,939.60x = 7,473,442,742,783.28
  5. Step 5: Solve for x
    x = 7,473,442,742,783.28/4,182,939.60
  6. Step 6: Final answer
    x = 1,786,648.50

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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.