Home / 1,021,100.60-1,532,234.10-705,783.80

Finding the Fourth Proportional to 1,021,100.60, 1,532,234.10 and 705,783.80

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Solution

The fourth proportional to 1,021,100.60, 1,532,234.10 and 705,783.80 is: 1,059,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,100.60 : 1,532,234.10 = 705,783.80 : x
  2. Step 2: Convert to fraction form
    1,021,100.60/1,532,234.10 = 705,783.80/x
  3. Step 3: Cross multiply
    1,021,100.60x = 1,532,234.10 × 705,783.80
  4. Step 4: Simplify right side
    1,021,100.60x = 1,081,426,005,587.58
  5. Step 5: Solve for x
    x = 1,081,426,005,587.58/1,021,100.60
  6. Step 6: Final answer
    x = 1,059,078.81

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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.