Home / 1,680,604.90-2,319,430.83-955,561.25

Finding the Fourth Proportional to 1,680,604.90, 2,319,430.83 and 955,561.25

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Solution

The fourth proportional to 1,680,604.90, 2,319,430.83 and 955,561.25 is: 1,318,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,604.90 : 2,319,430.83 = 955,561.25 : x
  2. Step 2: Convert to fraction form
    1,680,604.90/2,319,430.83 = 955,561.25/x
  3. Step 3: Cross multiply
    1,680,604.90x = 2,319,430.83 × 955,561.25
  4. Step 4: Simplify right side
    1,680,604.90x = 2,216,358,223,203.34
  5. Step 5: Solve for x
    x = 2,216,358,223,203.34/1,680,604.90
  6. Step 6: Final answer
    x = 1,318,786.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.