Home / 842,547.90-1,263,821.85-606,351.90

Finding the Fourth Proportional to 842,547.90, 1,263,821.85 and 606,351.90

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Solution

The fourth proportional to 842,547.90, 1,263,821.85 and 606,351.90 is: 909,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,547.90 : 1,263,821.85 = 606,351.90 : x
  2. Step 2: Convert to fraction form
    842,547.90/1,263,821.85 = 606,351.90/x
  3. Step 3: Cross multiply
    842,547.90x = 1,263,821.85 × 606,351.90
  4. Step 4: Simplify right side
    842,547.90x = 766,320,780,009.02
  5. Step 5: Solve for x
    x = 766,320,780,009.02/842,547.90
  6. Step 6: Final answer
    x = 909,527.85

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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.