Home / 3,168,011.60-4,752,017.40-771,837.20

Finding the Fourth Proportional to 3,168,011.60, 4,752,017.40 and 771,837.20

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Solution

The fourth proportional to 3,168,011.60, 4,752,017.40 and 771,837.20 is: 1,157,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,011.60 : 4,752,017.40 = 771,837.20 : x
  2. Step 2: Convert to fraction form
    3,168,011.60/4,752,017.40 = 771,837.20/x
  3. Step 3: Cross multiply
    3,168,011.60x = 4,752,017.40 × 771,837.20
  4. Step 4: Simplify right side
    3,168,011.60x = 3,667,783,804,367.28
  5. Step 5: Solve for x
    x = 3,667,783,804,367.28/3,168,011.60
  6. Step 6: Final answer
    x = 1,157,755.80

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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.