Home / 1,277,688.60-1,915,841.70-529,810.20

Finding the Fourth Proportional to 1,277,688.60, 1,915,841.70 and 529,810.20

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Solution

The fourth proportional to 1,277,688.60, 1,915,841.70 and 529,810.20 is: 794,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,688.60 : 1,915,841.70 = 529,810.20 : x
  2. Step 2: Convert to fraction form
    1,277,688.60/1,915,841.70 = 529,810.20/x
  3. Step 3: Cross multiply
    1,277,688.60x = 1,915,841.70 × 529,810.20
  4. Step 4: Simplify right side
    1,277,688.60x = 1,015,032,474,245.34
  5. Step 5: Solve for x
    x = 1,015,032,474,245.34/1,277,688.60
  6. Step 6: Final answer
    x = 794,428.68

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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.