Home / 917,203.20-1,373,083.20-681,590.40

Finding the Fourth Proportional to 917,203.20, 1,373,083.20 and 681,590.40

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Solution

The fourth proportional to 917,203.20, 1,373,083.20 and 681,590.40 is: 1,020,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,203.20 : 1,373,083.20 = 681,590.40 : x
  2. Step 2: Convert to fraction form
    917,203.20/1,373,083.20 = 681,590.40/x
  3. Step 3: Cross multiply
    917,203.20x = 1,373,083.20 × 681,590.40
  4. Step 4: Simplify right side
    917,203.20x = 935,880,327,521.28
  5. Step 5: Solve for x
    x = 935,880,327,521.28/917,203.20
  6. Step 6: Final answer
    x = 1,020,363.13

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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.