Home / 1,038,037.20-1,555,889.40-532,402.80

Finding the Fourth Proportional to 1,038,037.20, 1,555,889.40 and 532,402.80

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Solution

The fourth proportional to 1,038,037.20, 1,555,889.40 and 532,402.80 is: 798,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,037.20 : 1,555,889.40 = 532,402.80 : x
  2. Step 2: Convert to fraction form
    1,038,037.20/1,555,889.40 = 532,402.80/x
  3. Step 3: Cross multiply
    1,038,037.20x = 1,555,889.40 × 532,402.80
  4. Step 4: Simplify right side
    1,038,037.20x = 828,359,873,050.32
  5. Step 5: Solve for x
    x = 828,359,873,050.32/1,038,037.20
  6. Step 6: Final answer
    x = 798,005.96

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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.