Home / 1,235,971.56-1,853,490.78-570,657

Finding the Fourth Proportional to 1,235,971.56, 1,853,490.78 and 570,657

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Solution

The fourth proportional to 1,235,971.56, 1,853,490.78 and 570,657 is: 855,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,971.56 : 1,853,490.78 = 570,657 : x
  2. Step 2: Convert to fraction form
    1,235,971.56/1,853,490.78 = 570,657/x
  3. Step 3: Cross multiply
    1,235,971.56x = 1,853,490.78 × 570,657
  4. Step 4: Simplify right side
    1,235,971.56x = 1,057,707,488,042.46
  5. Step 5: Solve for x
    x = 1,057,707,488,042.46/1,235,971.56
  6. Step 6: Final answer
    x = 855,770.09

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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.