Home / 1,332,690.35-1,999,034.01-434,130.65

Finding the Fourth Proportional to 1,332,690.35, 1,999,034.01 and 434,130.65

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Solution

The fourth proportional to 1,332,690.35, 1,999,034.01 and 434,130.65 is: 651,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,690.35 : 1,999,034.01 = 434,130.65 : x
  2. Step 2: Convert to fraction form
    1,332,690.35/1,999,034.01 = 434,130.65/x
  3. Step 3: Cross multiply
    1,332,690.35x = 1,999,034.01 × 434,130.65
  4. Step 4: Simplify right side
    1,332,690.35x = 867,841,924,138.24
  5. Step 5: Solve for x
    x = 867,841,924,138.24/1,332,690.35
  6. Step 6: Final answer
    x = 651,195.48

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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.