Home / 1,235,285.19-1,853,077.28-436,403.25

Finding the Fourth Proportional to 1,235,285.19, 1,853,077.28 and 436,403.25

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Solution

The fourth proportional to 1,235,285.19, 1,853,077.28 and 436,403.25 is: 654,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,285.19 : 1,853,077.28 = 436,403.25 : x
  2. Step 2: Convert to fraction form
    1,235,285.19/1,853,077.28 = 436,403.25/x
  3. Step 3: Cross multiply
    1,235,285.19x = 1,853,077.28 × 436,403.25
  4. Step 4: Simplify right side
    1,235,285.19x = 808,688,945,311.14
  5. Step 5: Solve for x
    x = 808,688,945,311.14/1,235,285.19
  6. Step 6: Final answer
    x = 654,657.69

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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.